20755881720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1640

約数の個数: 512

約数和(自身を含む): 83607552000

約数和(自身を除く): 62851670280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 79, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 158, 161, 168, 180, 184, 189, 207, 210, 216, 230, 237, 252, 270, 276, 280, 315, 316, 322, 345, 360, 378, 395, 414, 420, 460, 474, 483, 504, 540, 552, 553, 621, 630, 632, 644, 690, 711, 756, 790, 805, 828, 840, 920, 945, 948, 966, 1035, 1080, 1106, 1185, 1242, 1260, 1288, 1380, 1422, 1449, 1511, 1512, 1580, 1610, 1656, 1659, 1817, 1890, 1896, 1932, 2070, 2133, 2212, 2370, 2415, 2484, 2520, 2760, 2765, 2844, 2898, 3022, 3105, 3160, 3220, 3318, 3555, 3634, 3780, 3864, 4140, 4266, 4347, 4424, 4533, 4740, 4830, 4968, 4977, 5451, 5530, 5688, 5796, 6044, 6210, 6440, 6636, 7110, 7245, 7268, 7555, 7560, 8280, 8295, 8532, 8694, 9066, 9085, 9480, 9660, 9954, 10577, 10665, 10902, 11060, 11592, 12088, 12420, 12719, 13272, 13599, 14220, 14490, 14536, 14931, 15110, 16353, 16590, 17064, 17388, 18132, 18170, 19320, 19908, 21154, 21330, 21735, 21804, 22120, 22665, 24840, 24885, 25438, 27198, 27255, 28440, 28980, 29862, 30220, 31731, 32706, 33180, 34753, 34776, 36264, 36340, 38157, 39816, 40797, 42308, 42660, 43470, 43608, 45330, 49059, 49770, 50876, 52885, 54396, 54510, 57960, 59724, 60440, 63462, 63595, 65412, 66360, 67995, 69506, 72680, 74655, 76314, 81594, 81765, 84616, 85320, 86940, 90660, 95193, 98118, 99540, 101752, 104259, 105770, 108792, 109020, 114471, 119369, 119448, 126924, 127190, 130824, 135990, 139012, 149310, 152628, 158655, 163188, 163530, 173765, 173880, 181320, 190386, 190785, 196236, 199080, 203985, 208518, 211540, 218040, 228942, 238738, 243271, 245295, 253848, 254380, 271980, 278024, 285579, 298620, 305256, 312777, 317310, 326376, 327060, 343413, 347530, 358107, 380772, 381570, 392472, 407970, 417036, 423080, 457884, 475965, 477476, 486542, 490590, 508760, 521295, 543960, 571158, 572355, 596845, 597240, 625554, 634620, 654120, 686826, 695060, 716214, 729813, 761544, 763140, 815940, 834072, 835583, 915768, 938331, 951930, 954952, 973084, 981180, 1042590, 1074321, 1142316, 1144710, 1193690, 1216355, 1251108, 1269240, 1373652, 1390120, 1427895, 1432428, 1459626, 1526280, 1563885, 1631880, 1671166, 1717065, 1790535, 1876662, 1903860, 1946168, 1962360, 2085180, 2148642, 2189439, 2284632, 2289420, 2387380, 2432710, 2502216, 2506749, 2745487, 2747304, 2855790, 2864856, 2919252, 3127770, 3222963, 3342332, 3434130, 3581070, 3649065, 3753324, 3807720, 4170360, 4177915, 4297284, 4378878, 4578840, 4691655, 4774760, 4865420, 5013498, 5371605, 5490974, 5711580, 5838504, 6255540, 6445926, 6568317, 6684664, 6868260, 7162140, 7298130, 7506648, 7520247, 8236461, 8355830, 8594568, 8757756, 9383310, 9730840, 10026996, 10743210, 10947195, 10981948, 11423160, 12511080, 12533745, 12891852, 13136634, 13727435, 13736520, 14324280, 14596260, 15040494, 16114815, 16472922, 16711660, 17515512, 18766620, 19218409, 20053992, 21486420, 21894390, 21963896, 22560741, 24709383, 25067490, 25783704, 26273268, 27454870, 29192520, 30080988, 32229630, 32841585, 32945844, 33423320, 37533240, 37601235, 38436818, 41182305, 42972840, 43788780, 45121482, 49418766, 50134980, 52546536, 54909740, 57655227, 60161976, 64459260, 65683170, 65891688, 74128149, 75202470, 76873636, 82364610, 87577560, 90242964, 96092045, 98837532, 100269960, 109819480, 112803705, 115310454, 123546915, 128918520, 131366340, 148256298, 150404940, 153747272, 164729220, 172965681, 180485928, 192184090, 197675064, 225607410, 230620908, 247093830, 262732680, 288276135, 296512596, 300809880, 329458440, 345931362, 370640745, 384368180, 451214820, 461241816, 494187660, 518897043, 576552270, 593025192, 691862724, 741281490, 768736360, 864828405, 902429640, 988375320, 1037794086, 1153104540, 1383725448, 1482562980, 1729656810, 2075588172, 2306209080, 2594485215, 2965125960, 3459313620, 4151176344, 5188970430, 6918627240, 10377940860, 20755881720]

約数ペア:

[(1, 20755881720), (2, 10377940860), (3, 6918627240), (4, 5188970430), (5, 4151176344), (6, 3459313620), (7, 2965125960), (8, 2594485215), (9, 2306209080), (10, 2075588172), (12, 1729656810), (14, 1482562980), (15, 1383725448), (18, 1153104540), (20, 1037794086), (21, 988375320), (23, 902429640), (24, 864828405), (27, 768736360), (28, 741281490), (30, 691862724), (35, 593025192), (36, 576552270), (40, 518897043), (42, 494187660), (45, 461241816), (46, 451214820), (54, 384368180), (56, 370640745), (60, 345931362), (63, 329458440), (69, 300809880), (70, 296512596), (72, 288276135), (79, 262732680), (84, 247093830), (90, 230620908), (92, 225607410), (105, 197675064), (108, 192184090), (115, 180485928), (120, 172965681), (126, 164729220), (135, 153747272), (138, 150404940), (140, 148256298), (158, 131366340), (161, 128918520), (168, 123546915), (180, 115310454), (184, 112803705), (189, 109819480), (207, 100269960), (210, 98837532), (216, 96092045), (230, 90242964), (237, 87577560), (252, 82364610), (270, 76873636), (276, 75202470), (280, 74128149), (315, 65891688), (316, 65683170), (322, 64459260), (345, 60161976), (360, 57655227), (378, 54909740), (395, 52546536), (414, 50134980), (420, 49418766), (460, 45121482), (474, 43788780), (483, 42972840), (504, 41182305), (540, 38436818), (552, 37601235), (553, 37533240), (621, 33423320), (630, 32945844), (632, 32841585), (644, 32229630), (690, 30080988), (711, 29192520), (756, 27454870), (790, 26273268), (805, 25783704), (828, 25067490), (840, 24709383), (920, 22560741), (945, 21963896), (948, 21894390), (966, 21486420), (1035, 20053992), (1080, 19218409), (1106, 18766620), (1185, 17515512), (1242, 16711660), (1260, 16472922), (1288, 16114815), (1380, 15040494), (1422, 14596260), (1449, 14324280), (1511, 13736520), (1512, 13727435), (1580, 13136634), (1610, 12891852), (1656, 12533745), (1659, 12511080), (1817, 11423160), (1890, 10981948), (1896, 10947195), (1932, 10743210), (2070, 10026996), (2133, 9730840), (2212, 9383310), (2370, 8757756), (2415, 8594568), (2484, 8355830), (2520, 8236461), (2760, 7520247), (2765, 7506648), (2844, 7298130), (2898, 7162140), (3022, 6868260), (3105, 6684664), (3160, 6568317), (3220, 6445926), (3318, 6255540), (3555, 5838504), (3634, 5711580), (3780, 5490974), (3864, 5371605), (4140, 5013498), (4266, 4865420), (4347, 4774760), (4424, 4691655), (4533, 4578840), (4740, 4378878), (4830, 4297284), (4968, 4177915), (4977, 4170360), (5451, 3807720), (5530, 3753324), (5688, 3649065), (5796, 3581070), (6044, 3434130), (6210, 3342332), (6440, 3222963), (6636, 3127770), (7110, 2919252), (7245, 2864856), (7268, 2855790), (7555, 2747304), (7560, 2745487), (8280, 2506749), (8295, 2502216), (8532, 2432710), (8694, 2387380), (9066, 2289420), (9085, 2284632), (9480, 2189439), (9660, 2148642), (9954, 2085180), (10577, 1962360), (10665, 1946168), (10902, 1903860), (11060, 1876662), (11592, 1790535), (12088, 1717065), (12420, 1671166), (12719, 1631880), (13272, 1563885), (13599, 1526280), (14220, 1459626), (14490, 1432428), (14536, 1427895), (14931, 1390120), (15110, 1373652), (16353, 1269240), (16590, 1251108), (17064, 1216355), (17388, 1193690), (18132, 1144710), (18170, 1142316), (19320, 1074321), (19908, 1042590), (21154, 981180), (21330, 973084), (21735, 954952), (21804, 951930), (22120, 938331), (22665, 915768), (24840, 835583), (24885, 834072), (25438, 815940), (27198, 763140), (27255, 761544), (28440, 729813), (28980, 716214), (29862, 695060), (30220, 686826), (31731, 654120), (32706, 634620), (33180, 625554), (34753, 597240), (34776, 596845), (36264, 572355), (36340, 571158), (38157, 543960), (39816, 521295), (40797, 508760), (42308, 490590), (42660, 486542), (43470, 477476), (43608, 475965), (45330, 457884), (49059, 423080), (49770, 417036), (50876, 407970), (52885, 392472), (54396, 381570), (54510, 380772), (57960, 358107), (59724, 347530), (60440, 343413), (63462, 327060), (63595, 326376), (65412, 317310), (66360, 312777), (67995, 305256), (69506, 298620), (72680, 285579), (74655, 278024), (76314, 271980), (81594, 254380), (81765, 253848), (84616, 245295), (85320, 243271), (86940, 238738), (90660, 228942), (95193, 218040), (98118, 211540), (99540, 208518), (101752, 203985), (104259, 199080), (105770, 196236), (108792, 190785), (109020, 190386), (114471, 181320), (119369, 173880), (119448, 173765), (126924, 163530), (127190, 163188), (130824, 158655), (135990, 152628), (139012, 149310)]