20390741280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51869}}^1$

素因数の和:51913

約数の個数: 384

約数和(自身を含む): 87838732800

約数和(自身を除く): 67447991520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 160, 168, 180, 182, 189, 195, 208, 210, 216, 224, 234, 240, 252, 260, 270, 273, 280, 288, 312, 315, 336, 351, 360, 364, 378, 390, 416, 420, 432, 455, 468, 480, 504, 520, 540, 546, 560, 585, 624, 630, 672, 702, 720, 728, 756, 780, 819, 840, 864, 910, 936, 945, 1008, 1040, 1080, 1092, 1120, 1170, 1248, 1260, 1365, 1404, 1440, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 2016, 2080, 2160, 2184, 2340, 2457, 2520, 2730, 2808, 2912, 3024, 3120, 3276, 3360, 3510, 3640, 3744, 3780, 4095, 4320, 4368, 4680, 4914, 5040, 5460, 5616, 6048, 6240, 6552, 7020, 7280, 7560, 8190, 8736, 9360, 9828, 10080, 10920, 11232, 12285, 13104, 14040, 14560, 15120, 16380, 18720, 19656, 21840, 24570, 26208, 28080, 30240, 32760, 39312, 43680, 49140, 51869, 56160, 65520, 78624, 98280, 103738, 131040, 155607, 196560, 207476, 259345, 311214, 363083, 393120, 414952, 466821, 518690, 622428, 674297, 726166, 778035, 829904, 933642, 1037380, 1089249, 1244856, 1348594, 1400463, 1452332, 1556070, 1659808, 1815415, 1867284, 2022891, 2074760, 2178498, 2334105, 2489712, 2697188, 2800926, 2904664, 3112140, 3267747, 3371485, 3630830, 3734568, 4045782, 4149520, 4356996, 4668210, 4720079, 4979424, 5394376, 5446245, 5601852, 5809328, 6068673, 6224280, 6535494, 6742970, 7002315, 7261660, 7469136, 8091564, 8299040, 8713992, 9336420, 9440158, 9803241, 10114455, 10788752, 10892490, 11203704, 11618656, 12137346, 12448560, 13070988, 13485940, 14004630, 14160237, 14523320, 14938272, 16183128, 16338735, 17427984, 18206019, 18672840, 18880316, 19606482, 20228910, 21577504, 21784980, 22407408, 23600395, 24274692, 24897120, 26141976, 26971880, 28009260, 28320474, 29046640, 30343365, 32366256, 32677470, 34855968, 36412038, 37345680, 37760632, 39212964, 40457820, 42480711, 43569960, 44814816, 47200790, 48549384, 49016205, 52283952, 53943760, 56018520, 56640948, 58093280, 60686730, 64732512, 65354940, 70801185, 72824076, 74691360, 75521264, 78425928, 80915640, 84961422, 87139920, 91030095, 94401580, 97098768, 98032410, 104567904, 107887520, 112037040, 113281896, 121373460, 127442133, 130709880, 141602370, 145648152, 151042528, 156851856, 161831280, 169922844, 174279840, 182060190, 188803160, 194197536, 196064820, 212403555, 224074080, 226563792, 242746920, 254884266, 261419760, 283204740, 291296304, 313703712, 323662560, 339845688, 364120380, 377606320, 392129640, 424807110, 453127584, 485493840, 509768532, 522839520, 566409480, 582592608, 637210665, 679691376, 728240760, 755212640, 784259280, 849614220, 970987680, 1019537064, 1132818960, 1274421330, 1359382752, 1456481520, 1568518560, 1699228440, 2039074128, 2265637920, 2548842660, 2912963040, 3398456880, 4078148256, 5097685320, 6796913760, 10195370640, 20390741280]

約数ペア:

[(1, 20390741280), (2, 10195370640), (3, 6796913760), (4, 5097685320), (5, 4078148256), (6, 3398456880), (7, 2912963040), (8, 2548842660), (9, 2265637920), (10, 2039074128), (12, 1699228440), (13, 1568518560), (14, 1456481520), (15, 1359382752), (16, 1274421330), (18, 1132818960), (20, 1019537064), (21, 970987680), (24, 849614220), (26, 784259280), (27, 755212640), (28, 728240760), (30, 679691376), (32, 637210665), (35, 582592608), (36, 566409480), (39, 522839520), (40, 509768532), (42, 485493840), (45, 453127584), (48, 424807110), (52, 392129640), (54, 377606320), (56, 364120380), (60, 339845688), (63, 323662560), (65, 313703712), (70, 291296304), (72, 283204740), (78, 261419760), (80, 254884266), (84, 242746920), (90, 226563792), (91, 224074080), (96, 212403555), (104, 196064820), (105, 194197536), (108, 188803160), (112, 182060190), (117, 174279840), (120, 169922844), (126, 161831280), (130, 156851856), (135, 151042528), (140, 145648152), (144, 141602370), (156, 130709880), (160, 127442133), (168, 121373460), (180, 113281896), (182, 112037040), (189, 107887520), (195, 104567904), (208, 98032410), (210, 97098768), (216, 94401580), (224, 91030095), (234, 87139920), (240, 84961422), (252, 80915640), (260, 78425928), (270, 75521264), (273, 74691360), (280, 72824076), (288, 70801185), (312, 65354940), (315, 64732512), (336, 60686730), (351, 58093280), (360, 56640948), (364, 56018520), (378, 53943760), (390, 52283952), (416, 49016205), (420, 48549384), (432, 47200790), (455, 44814816), (468, 43569960), (480, 42480711), (504, 40457820), (520, 39212964), (540, 37760632), (546, 37345680), (560, 36412038), (585, 34855968), (624, 32677470), (630, 32366256), (672, 30343365), (702, 29046640), (720, 28320474), (728, 28009260), (756, 26971880), (780, 26141976), (819, 24897120), (840, 24274692), (864, 23600395), (910, 22407408), (936, 21784980), (945, 21577504), (1008, 20228910), (1040, 19606482), (1080, 18880316), (1092, 18672840), (1120, 18206019), (1170, 17427984), (1248, 16338735), (1260, 16183128), (1365, 14938272), (1404, 14523320), (1440, 14160237), (1456, 14004630), (1512, 13485940), (1560, 13070988), (1638, 12448560), (1680, 12137346), (1755, 11618656), (1820, 11203704), (1872, 10892490), (1890, 10788752), (2016, 10114455), (2080, 9803241), (2160, 9440158), (2184, 9336420), (2340, 8713992), (2457, 8299040), (2520, 8091564), (2730, 7469136), (2808, 7261660), (2912, 7002315), (3024, 6742970), (3120, 6535494), (3276, 6224280), (3360, 6068673), (3510, 5809328), (3640, 5601852), (3744, 5446245), (3780, 5394376), (4095, 4979424), (4320, 4720079), (4368, 4668210), (4680, 4356996), (4914, 4149520), (5040, 4045782), (5460, 3734568), (5616, 3630830), (6048, 3371485), (6240, 3267747), (6552, 3112140), (7020, 2904664), (7280, 2800926), (7560, 2697188), (8190, 2489712), (8736, 2334105), (9360, 2178498), (9828, 2074760), (10080, 2022891), (10920, 1867284), (11232, 1815415), (12285, 1659808), (13104, 1556070), (14040, 1452332), (14560, 1400463), (15120, 1348594), (16380, 1244856), (18720, 1089249), (19656, 1037380), (21840, 933642), (24570, 829904), (26208, 778035), (28080, 726166), (30240, 674297), (32760, 622428), (39312, 518690), (43680, 466821), (49140, 414952), (51869, 393120), (56160, 363083), (65520, 311214), (78624, 259345), (98280, 207476), (103738, 196560), (131040, 155607)]