20781648360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 640

約数和(自身を含む): 79077081600

約数和(自身を除く): 58295433240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 61, 66, 72, 79, 81, 88, 90, 99, 108, 110, 120, 121, 122, 132, 135, 158, 162, 165, 180, 183, 198, 216, 220, 237, 242, 244, 264, 270, 297, 305, 316, 324, 330, 360, 363, 366, 395, 396, 405, 440, 474, 484, 488, 495, 540, 549, 594, 605, 610, 632, 648, 660, 671, 711, 726, 732, 790, 792, 810, 869, 891, 915, 948, 968, 990, 1080, 1089, 1098, 1185, 1188, 1210, 1220, 1320, 1331, 1342, 1422, 1452, 1464, 1485, 1580, 1620, 1647, 1738, 1782, 1815, 1830, 1896, 1980, 2013, 2133, 2178, 2196, 2370, 2376, 2420, 2440, 2607, 2662, 2684, 2745, 2844, 2904, 2970, 3160, 3240, 3267, 3294, 3355, 3476, 3555, 3564, 3630, 3660, 3960, 3993, 4026, 4266, 4345, 4356, 4392, 4455, 4740, 4819, 4840, 4941, 5214, 5324, 5368, 5445, 5490, 5688, 5940, 6039, 6399, 6534, 6588, 6655, 6710, 6952, 7110, 7128, 7260, 7320, 7381, 7821, 7986, 8052, 8235, 8532, 8690, 8712, 8910, 9480, 9559, 9638, 9801, 9882, 10065, 10428, 10648, 10665, 10890, 10980, 11880, 11979, 12078, 12798, 13035, 13068, 13176, 13310, 13420, 14220, 14457, 14520, 14762, 15642, 15972, 16104, 16335, 16470, 17064, 17380, 17820, 18117, 19118, 19276, 19602, 19764, 19965, 20130, 20856, 21330, 21780, 21960, 22143, 23463, 23958, 24095, 24156, 24705, 25596, 26070, 26136, 26620, 26840, 28440, 28677, 28914, 29524, 30195, 31284, 31944, 31995, 32670, 32940, 34760, 35640, 35937, 36234, 36905, 38236, 38552, 39105, 39204, 39528, 39930, 40260, 42660, 43371, 43560, 44286, 46926, 47795, 47916, 48190, 48312, 49005, 49410, 51192, 52140, 53009, 53240, 54351, 57354, 57828, 59048, 59895, 60390, 62568, 63990, 65340, 65880, 66429, 70389, 71874, 72285, 72468, 73810, 76472, 78210, 78408, 79860, 80520, 81191, 85320, 86031, 86742, 88572, 90585, 93852, 95590, 95832, 96380, 98010, 98820, 104280, 105149, 106018, 107811, 108702, 110715, 114708, 115656, 117315, 119790, 120780, 127980, 130113, 130680, 132858, 140778, 143385, 143748, 144570, 144936, 147620, 156420, 159027, 159720, 162382, 172062, 173484, 177144, 179685, 181170, 187704, 191180, 192760, 196020, 197640, 199287, 210298, 212036, 215622, 216855, 217404, 221430, 229416, 234630, 239580, 241560, 243573, 255960, 258093, 260226, 265045, 265716, 271755, 281556, 286770, 287496, 289140, 295240, 312840, 315447, 318054, 324764, 332145, 344124, 346968, 351945, 359370, 362340, 382360, 390339, 392040, 398574, 405955, 420596, 424072, 430155, 431244, 433710, 434808, 442860, 469260, 477081, 479160, 487146, 516186, 520452, 525745, 530090, 531432, 539055, 543510, 563112, 573540, 578280, 583099, 597861, 630894, 636108, 649528, 650565, 664290, 688248, 703890, 718740, 724680, 730719, 774279, 780678, 795135, 797148, 811910, 841192, 860310, 862488, 867420, 885720, 938520, 946341, 954162, 974292, 996435, 1032372, 1040904, 1051490, 1060180, 1078110, 1087020, 1147080, 1166198, 1195722, 1217865, 1261788, 1272216, 1290465, 1301130, 1328580, 1407780, 1431243, 1437480, 1461438, 1548558, 1561356, 1577235, 1590270, 1594296, 1623820, 1720620, 1734840, 1749297, 1892682, 1908324, 1948584, 1951695, 1992870, 2064744, 2102980, 2120360, 2156220, 2174040, 2192157, 2332396, 2385405, 2391444, 2435730, 2523576, 2580930, 2602260, 2657160, 2815560, 2839023, 2862486, 2915495, 2922876, 2989305, 3097116, 3122712, 3154470, 3180540, 3247640, 3441240, 3498594, 3653595, 3785364, 3816648, 3871395, 3903390, 3985740, 4205960, 4293729, 4312440, 4384314, 4664792, 4731705, 4770810, 4782888, 4871460, 5161860, 5204520, 5247891, 5678046, 5724972, 5830990, 5845752, 5978610, 6194232, 6308940, 6361080, 6414089, 6576471, 6997188, 7156215, 7307190, 7570728, 7742790, 7806780, 7971480, 8517069, 8587458, 8746485, 8768628, 9463410, 9541620, 9742920, 10323720, 10495782, 10960785, 11356092, 11449944, 11661980, 11957220, 12617880, 12828178, 13152942, 13994376, 14195115, 14312430, 14614380, 15485580, 15613560, 15743673, 17034138, 17174916, 17492970, 17537256, 18926820, 19083240, 19242267, 20991564, 21468645, 21921570, 22712184, 23323960, 23914440, 25656356, 26239455, 26305884, 28390230, 28624860, 29228760, 30971160, 31487346, 32070445, 32882355, 34068276, 34349832, 34985940, 37853640, 38484534, 41983128, 42585345, 42937290, 43843140, 47231019, 51312712, 52478910, 52611768, 56780460, 57249720, 57726801, 62974692, 64140890, 65764710, 68136552, 69971880, 76969068, 78718365, 85170690, 85874580, 87686280, 94462038, 96211335, 104957820, 113560920, 115453602, 125949384, 128281780, 131529420, 153938136, 157436730, 170341380, 171749160, 173180403, 188924076, 192422670, 209915640, 230907204, 236155095, 256563560, 263058840, 288634005, 314873460, 340682760, 346360806, 377848152, 384845340, 461814408, 472310190, 519541209, 577268010, 629746920, 692721612, 769690680, 865902015, 944620380, 1039082418, 1154536020, 1385443224, 1731804030, 1889240760, 2078164836, 2309072040, 2597706045, 3463608060, 4156329672, 5195412090, 6927216120, 10390824180, 20781648360]

約数ペア:

[(1, 20781648360), (2, 10390824180), (3, 6927216120), (4, 5195412090), (5, 4156329672), (6, 3463608060), (8, 2597706045), (9, 2309072040), (10, 2078164836), (11, 1889240760), (12, 1731804030), (15, 1385443224), (18, 1154536020), (20, 1039082418), (22, 944620380), (24, 865902015), (27, 769690680), (30, 692721612), (33, 629746920), (36, 577268010), (40, 519541209), (44, 472310190), (45, 461814408), (54, 384845340), (55, 377848152), (60, 346360806), (61, 340682760), (66, 314873460), (72, 288634005), (79, 263058840), (81, 256563560), (88, 236155095), (90, 230907204), (99, 209915640), (108, 192422670), (110, 188924076), (120, 173180403), (121, 171749160), (122, 170341380), (132, 157436730), (135, 153938136), (158, 131529420), (162, 128281780), (165, 125949384), (180, 115453602), (183, 113560920), (198, 104957820), (216, 96211335), (220, 94462038), (237, 87686280), (242, 85874580), (244, 85170690), (264, 78718365), (270, 76969068), (297, 69971880), (305, 68136552), (316, 65764710), (324, 64140890), (330, 62974692), (360, 57726801), (363, 57249720), (366, 56780460), (395, 52611768), (396, 52478910), (405, 51312712), (440, 47231019), (474, 43843140), (484, 42937290), (488, 42585345), (495, 41983128), (540, 38484534), (549, 37853640), (594, 34985940), (605, 34349832), (610, 34068276), (632, 32882355), (648, 32070445), (660, 31487346), (671, 30971160), (711, 29228760), (726, 28624860), (732, 28390230), (790, 26305884), (792, 26239455), (810, 25656356), (869, 23914440), (891, 23323960), (915, 22712184), (948, 21921570), (968, 21468645), (990, 20991564), (1080, 19242267), (1089, 19083240), (1098, 18926820), (1185, 17537256), (1188, 17492970), (1210, 17174916), (1220, 17034138), (1320, 15743673), (1331, 15613560), (1342, 15485580), (1422, 14614380), (1452, 14312430), (1464, 14195115), (1485, 13994376), (1580, 13152942), (1620, 12828178), (1647, 12617880), (1738, 11957220), (1782, 11661980), (1815, 11449944), (1830, 11356092), (1896, 10960785), (1980, 10495782), (2013, 10323720), (2133, 9742920), (2178, 9541620), (2196, 9463410), (2370, 8768628), (2376, 8746485), (2420, 8587458), (2440, 8517069), (2607, 7971480), (2662, 7806780), (2684, 7742790), (2745, 7570728), (2844, 7307190), (2904, 7156215), (2970, 6997188), (3160, 6576471), (3240, 6414089), (3267, 6361080), (3294, 6308940), (3355, 6194232), (3476, 5978610), (3555, 5845752), (3564, 5830990), (3630, 5724972), (3660, 5678046), (3960, 5247891), (3993, 5204520), (4026, 5161860), (4266, 4871460), (4345, 4782888), (4356, 4770810), (4392, 4731705), (4455, 4664792), (4740, 4384314), (4819, 4312440), (4840, 4293729), (4941, 4205960), (5214, 3985740), (5324, 3903390), (5368, 3871395), (5445, 3816648), (5490, 3785364), (5688, 3653595), (5940, 3498594), (6039, 3441240), (6399, 3247640), (6534, 3180540), (6588, 3154470), (6655, 3122712), (6710, 3097116), (6952, 2989305), (7110, 2922876), (7128, 2915495), (7260, 2862486), (7320, 2839023), (7381, 2815560), (7821, 2657160), (7986, 2602260), (8052, 2580930), (8235, 2523576), (8532, 2435730), (8690, 2391444), (8712, 2385405), (8910, 2332396), (9480, 2192157), (9559, 2174040), (9638, 2156220), (9801, 2120360), (9882, 2102980), (10065, 2064744), (10428, 1992870), (10648, 1951695), (10665, 1948584), (10890, 1908324), (10980, 1892682), (11880, 1749297), (11979, 1734840), (12078, 1720620), (12798, 1623820), (13035, 1594296), (13068, 1590270), (13176, 1577235), (13310, 1561356), (13420, 1548558), (14220, 1461438), (14457, 1437480), (14520, 1431243), (14762, 1407780), (15642, 1328580), (15972, 1301130), (16104, 1290465), (16335, 1272216), (16470, 1261788), (17064, 1217865), (17380, 1195722), (17820, 1166198), (18117, 1147080), (19118, 1087020), (19276, 1078110), (19602, 1060180), (19764, 1051490), (19965, 1040904), (20130, 1032372), (20856, 996435), (21330, 974292), (21780, 954162), (21960, 946341), (22143, 938520), (23463, 885720), (23958, 867420), (24095, 862488), (24156, 860310), (24705, 841192), (25596, 811910), (26070, 797148), (26136, 795135), (26620, 780678), (26840, 774279), (28440, 730719), (28677, 724680), (28914, 718740), (29524, 703890), (30195, 688248), (31284, 664290), (31944, 650565), (31995, 649528), (32670, 636108), (32940, 630894), (34760, 597861), (35640, 583099), (35937, 578280), (36234, 573540), (36905, 563112), (38236, 543510), (38552, 539055), (39105, 531432), (39204, 530090), (39528, 525745), (39930, 520452), (40260, 516186), (42660, 487146), (43371, 479160), (43560, 477081), (44286, 469260), (46926, 442860), (47795, 434808), (47916, 433710), (48190, 431244), (48312, 430155), (49005, 424072), (49410, 420596), (51192, 405955), (52140, 398574), (53009, 392040), (53240, 390339), (54351, 382360), (57354, 362340), (57828, 359370), (59048, 351945), (59895, 346968), (60390, 344124), (62568, 332145), (63990, 324764), (65340, 318054), (65880, 315447), (66429, 312840), (70389, 295240), (71874, 289140), (72285, 287496), (72468, 286770), (73810, 281556), (76472, 271755), (78210, 265716), (78408, 265045), (79860, 260226), (80520, 258093), (81191, 255960), (85320, 243573), (86031, 241560), (86742, 239580), (88572, 234630), (90585, 229416), (93852, 221430), (95590, 217404), (95832, 216855), (96380, 215622), (98010, 212036), (98820, 210298), (104280, 199287), (105149, 197640), (106018, 196020), (107811, 192760), (108702, 191180), (110715, 187704), (114708, 181170), (115656, 179685), (117315, 177144), (119790, 173484), (120780, 172062), (127980, 162382), (130113, 159720), (130680, 159027), (132858, 156420), (140778, 147620), (143385, 144936), (143748, 144570)]