20180781720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 512

約数和(自身を含む): 75261312000

約数和(自身を除く): 55080530280

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, 66, 72, 88, 90, 99, 101, 108, 110, 120, 121, 132, 135, 139, 165, 180, 198, 202, 216, 220, 242, 264, 270, 278, 297, 303, 330, 360, 363, 396, 404, 417, 440, 484, 495, 505, 540, 556, 594, 605, 606, 660, 695, 726, 792, 808, 834, 909, 968, 990, 1010, 1080, 1089, 1111, 1112, 1188, 1210, 1212, 1251, 1320, 1331, 1390, 1452, 1485, 1515, 1529, 1668, 1815, 1818, 1980, 2020, 2085, 2178, 2222, 2376, 2420, 2424, 2502, 2662, 2727, 2780, 2904, 2970, 3030, 3058, 3267, 3333, 3336, 3630, 3636, 3753, 3960, 3993, 4040, 4170, 4356, 4444, 4545, 4587, 4840, 5004, 5324, 5445, 5454, 5555, 5560, 5940, 6060, 6116, 6255, 6534, 6655, 6666, 7260, 7272, 7506, 7645, 7986, 8340, 8712, 8888, 9090, 9174, 9999, 10008, 10648, 10890, 10908, 11110, 11880, 11979, 12120, 12221, 12232, 12510, 13068, 13310, 13332, 13635, 13761, 14039, 14520, 15012, 15290, 15972, 16335, 16665, 16680, 16819, 18180, 18348, 18765, 19965, 19998, 21780, 21816, 22220, 22935, 23958, 24442, 25020, 26136, 26620, 26664, 27270, 27522, 28078, 29997, 30024, 30580, 31944, 32670, 33330, 33638, 35937, 36360, 36663, 36696, 37530, 39930, 39996, 41283, 42117, 43560, 44440, 45870, 47916, 48884, 49995, 50040, 50457, 53240, 54540, 55044, 56156, 59895, 59994, 61105, 61160, 65340, 66660, 67276, 68805, 70195, 71874, 73326, 75060, 79860, 79992, 82566, 84095, 84234, 91740, 95832, 97768, 99990, 100914, 109080, 109989, 110088, 112312, 119790, 119988, 122210, 126351, 130680, 133320, 134431, 134552, 137610, 140390, 143748, 146652, 149985, 150120, 151371, 154429, 159720, 165132, 168190, 168468, 179685, 183315, 183480, 185009, 199980, 201828, 206415, 210585, 219978, 239580, 239976, 244420, 252285, 252702, 268862, 275220, 280780, 287496, 293304, 299970, 302742, 308858, 329967, 330264, 336380, 336936, 359370, 366630, 370018, 379053, 399960, 403293, 403656, 412830, 421170, 439956, 454113, 463287, 479160, 488840, 504570, 505404, 537724, 549945, 550440, 555027, 561560, 599940, 605484, 617716, 631755, 659934, 672155, 672760, 718740, 733260, 740036, 756855, 758106, 772145, 806586, 825660, 842340, 879912, 908226, 925045, 926574, 1009140, 1010808, 1075448, 1099890, 1110054, 1199880, 1209879, 1210968, 1235432, 1263510, 1319868, 1344310, 1389861, 1437480, 1466520, 1480072, 1513710, 1516212, 1544290, 1613172, 1649835, 1651320, 1665081, 1684680, 1698719, 1816452, 1850090, 1853148, 1895265, 2016465, 2018280, 2199780, 2220108, 2270565, 2316435, 2419758, 2527020, 2639736, 2688620, 2775135, 2779722, 3027420, 3032424, 3088580, 3226344, 3299670, 3330162, 3397438, 3629637, 3632904, 3700180, 3706296, 3790530, 4032930, 4169583, 4399560, 4440216, 4541130, 4632870, 4839516, 4995243, 5054040, 5096157, 5377240, 5550270, 5559444, 6049395, 6054840, 6177160, 6599340, 6660324, 6794876, 6949305, 7259274, 7400360, 7581060, 8065860, 8325405, 8339166, 8493595, 9082260, 9265740, 9679032, 9990486, 10192314, 11100540, 11118888, 12098790, 13198680, 13320648, 13589752, 13898610, 14518548, 15162120, 15288471, 16131720, 16650810, 16678332, 16987190, 18148185, 18164520, 18531480, 18685909, 19980972, 20384628, 20847915, 22201080, 24197580, 24976215, 25480785, 27797220, 29037096, 30576942, 33301620, 33356664, 33974380, 36296370, 37371818, 39961944, 40769256, 41695830, 45865413, 48395160, 49952430, 50961570, 55594440, 56057727, 61153884, 66603240, 67948760, 72592740, 74743636, 76442355, 83391660, 91730826, 93429545, 99904860, 101923140, 112115454, 122307768, 145185480, 149487272, 152884710, 166783320, 168173181, 183461652, 186859090, 199809720, 203846280, 224230908, 229327065, 280288635, 305769420, 336346362, 366923304, 373718180, 448461816, 458654130, 504519543, 560577270, 611538840, 672692724, 747436360, 840865905, 917308260, 1009039086, 1121154540, 1345385448, 1681731810, 1834616520, 2018078172, 2242309080, 2522597715, 3363463620, 4036156344, 5045195430, 6726927240, 10090390860, 20180781720]

約数ペア:

[(1, 20180781720), (2, 10090390860), (3, 6726927240), (4, 5045195430), (5, 4036156344), (6, 3363463620), (8, 2522597715), (9, 2242309080), (10, 2018078172), (11, 1834616520), (12, 1681731810), (15, 1345385448), (18, 1121154540), (20, 1009039086), (22, 917308260), (24, 840865905), (27, 747436360), (30, 672692724), (33, 611538840), (36, 560577270), (40, 504519543), (44, 458654130), (45, 448461816), (54, 373718180), (55, 366923304), (60, 336346362), (66, 305769420), (72, 280288635), (88, 229327065), (90, 224230908), (99, 203846280), (101, 199809720), (108, 186859090), (110, 183461652), (120, 168173181), (121, 166783320), (132, 152884710), (135, 149487272), (139, 145185480), (165, 122307768), (180, 112115454), (198, 101923140), (202, 99904860), (216, 93429545), (220, 91730826), (242, 83391660), (264, 76442355), (270, 74743636), (278, 72592740), (297, 67948760), (303, 66603240), (330, 61153884), (360, 56057727), (363, 55594440), (396, 50961570), (404, 49952430), (417, 48395160), (440, 45865413), (484, 41695830), (495, 40769256), (505, 39961944), (540, 37371818), (556, 36296370), (594, 33974380), (605, 33356664), (606, 33301620), (660, 30576942), (695, 29037096), (726, 27797220), (792, 25480785), (808, 24976215), (834, 24197580), (909, 22201080), (968, 20847915), (990, 20384628), (1010, 19980972), (1080, 18685909), (1089, 18531480), (1111, 18164520), (1112, 18148185), (1188, 16987190), (1210, 16678332), (1212, 16650810), (1251, 16131720), (1320, 15288471), (1331, 15162120), (1390, 14518548), (1452, 13898610), (1485, 13589752), (1515, 13320648), (1529, 13198680), (1668, 12098790), (1815, 11118888), (1818, 11100540), (1980, 10192314), (2020, 9990486), (2085, 9679032), (2178, 9265740), (2222, 9082260), (2376, 8493595), (2420, 8339166), (2424, 8325405), (2502, 8065860), (2662, 7581060), (2727, 7400360), (2780, 7259274), (2904, 6949305), (2970, 6794876), (3030, 6660324), (3058, 6599340), (3267, 6177160), (3333, 6054840), (3336, 6049395), (3630, 5559444), (3636, 5550270), (3753, 5377240), (3960, 5096157), (3993, 5054040), (4040, 4995243), (4170, 4839516), (4356, 4632870), (4444, 4541130), (4545, 4440216), (4587, 4399560), (4840, 4169583), (5004, 4032930), (5324, 3790530), (5445, 3706296), (5454, 3700180), (5555, 3632904), (5560, 3629637), (5940, 3397438), (6060, 3330162), (6116, 3299670), (6255, 3226344), (6534, 3088580), (6655, 3032424), (6666, 3027420), (7260, 2779722), (7272, 2775135), (7506, 2688620), (7645, 2639736), (7986, 2527020), (8340, 2419758), (8712, 2316435), (8888, 2270565), (9090, 2220108), (9174, 2199780), (9999, 2018280), (10008, 2016465), (10648, 1895265), (10890, 1853148), (10908, 1850090), (11110, 1816452), (11880, 1698719), (11979, 1684680), (12120, 1665081), (12221, 1651320), (12232, 1649835), (12510, 1613172), (13068, 1544290), (13310, 1516212), (13332, 1513710), (13635, 1480072), (13761, 1466520), (14039, 1437480), (14520, 1389861), (15012, 1344310), (15290, 1319868), (15972, 1263510), (16335, 1235432), (16665, 1210968), (16680, 1209879), (16819, 1199880), (18180, 1110054), (18348, 1099890), (18765, 1075448), (19965, 1010808), (19998, 1009140), (21780, 926574), (21816, 925045), (22220, 908226), (22935, 879912), (23958, 842340), (24442, 825660), (25020, 806586), (26136, 772145), (26620, 758106), (26664, 756855), (27270, 740036), (27522, 733260), (28078, 718740), (29997, 672760), (30024, 672155), (30580, 659934), (31944, 631755), (32670, 617716), (33330, 605484), (33638, 599940), (35937, 561560), (36360, 555027), (36663, 550440), (36696, 549945), (37530, 537724), (39930, 505404), (39996, 504570), (41283, 488840), (42117, 479160), (43560, 463287), (44440, 454113), (45870, 439956), (47916, 421170), (48884, 412830), (49995, 403656), (50040, 403293), (50457, 399960), (53240, 379053), (54540, 370018), (55044, 366630), (56156, 359370), (59895, 336936), (59994, 336380), (61105, 330264), (61160, 329967), (65340, 308858), (66660, 302742), (67276, 299970), (68805, 293304), (70195, 287496), (71874, 280780), (73326, 275220), (75060, 268862), (79860, 252702), (79992, 252285), (82566, 244420), (84095, 239976), (84234, 239580), (91740, 219978), (95832, 210585), (97768, 206415), (99990, 201828), (100914, 199980), (109080, 185009), (109989, 183480), (110088, 183315), (112312, 179685), (119790, 168468), (119988, 168190), (122210, 165132), (126351, 159720), (130680, 154429), (133320, 151371), (134431, 150120), (134552, 149985), (137610, 146652), (140390, 143748)]