20101778520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2262

約数の個数: 256

約数和(自身を含む): 65819952000

約数和(自身を除く): 45718173480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 89, 102, 106, 120, 136, 159, 170, 178, 204, 212, 255, 265, 267, 318, 340, 356, 408, 424, 445, 510, 530, 534, 636, 680, 712, 795, 890, 901, 1020, 1060, 1068, 1272, 1335, 1513, 1590, 1780, 1802, 2040, 2089, 2120, 2136, 2670, 2703, 3026, 3180, 3560, 3604, 4178, 4505, 4539, 4717, 5340, 5406, 6052, 6267, 6360, 7208, 7565, 8356, 9010, 9078, 9434, 10445, 10680, 10812, 12104, 12534, 13515, 14151, 15130, 16712, 18020, 18156, 18868, 20890, 21624, 22695, 23585, 25068, 27030, 28302, 30260, 31335, 35513, 36040, 36312, 37736, 41780, 45390, 47170, 50136, 54060, 56604, 60520, 62670, 70755, 71026, 80189, 83560, 90780, 94340, 106539, 108120, 110717, 113208, 125340, 141510, 142052, 160378, 177565, 181560, 185921, 188680, 213078, 221434, 240567, 250680, 283020, 284104, 320756, 332151, 355130, 371842, 400945, 426156, 442868, 481134, 532695, 553585, 557763, 566040, 641512, 664302, 710260, 743684, 801890, 852312, 885736, 929605, 962268, 1065390, 1107170, 1115526, 1202835, 1328604, 1420520, 1487368, 1603780, 1660755, 1859210, 1882189, 1924536, 2130780, 2214340, 2231052, 2405670, 2657208, 2788815, 3160657, 3207560, 3321510, 3718420, 3764378, 4261560, 4428680, 4462104, 4811340, 5577630, 5646567, 6321314, 6643020, 7436840, 7528756, 9410945, 9481971, 9622680, 9853813, 11155260, 11293134, 12642628, 13286040, 15057512, 15803285, 18821890, 18963942, 19707626, 22310520, 22586268, 25285256, 28232835, 29561439, 31606570, 37643780, 37927884, 39415252, 45172536, 47409855, 49269065, 56465670, 59122878, 63213140, 75287560, 75855768, 78830504, 94819710, 98538130, 112931340, 118245756, 126426280, 147807195, 167514821, 189639420, 197076260, 225862680, 236491512, 295614390, 335029642, 379278840, 394152520, 502544463, 591228780, 670059284, 837574105, 1005088926, 1182457560, 1340118568, 1675148210, 2010177852, 2512722315, 3350296420, 4020355704, 5025444630, 6700592840, 10050889260, 20101778520]

約数ペア:

[(1, 20101778520), (2, 10050889260), (3, 6700592840), (4, 5025444630), (5, 4020355704), (6, 3350296420), (8, 2512722315), (10, 2010177852), (12, 1675148210), (15, 1340118568), (17, 1182457560), (20, 1005088926), (24, 837574105), (30, 670059284), (34, 591228780), (40, 502544463), (51, 394152520), (53, 379278840), (60, 335029642), (68, 295614390), (85, 236491512), (89, 225862680), (102, 197076260), (106, 189639420), (120, 167514821), (136, 147807195), (159, 126426280), (170, 118245756), (178, 112931340), (204, 98538130), (212, 94819710), (255, 78830504), (265, 75855768), (267, 75287560), (318, 63213140), (340, 59122878), (356, 56465670), (408, 49269065), (424, 47409855), (445, 45172536), (510, 39415252), (530, 37927884), (534, 37643780), (636, 31606570), (680, 29561439), (712, 28232835), (795, 25285256), (890, 22586268), (901, 22310520), (1020, 19707626), (1060, 18963942), (1068, 18821890), (1272, 15803285), (1335, 15057512), (1513, 13286040), (1590, 12642628), (1780, 11293134), (1802, 11155260), (2040, 9853813), (2089, 9622680), (2120, 9481971), (2136, 9410945), (2670, 7528756), (2703, 7436840), (3026, 6643020), (3180, 6321314), (3560, 5646567), (3604, 5577630), (4178, 4811340), (4505, 4462104), (4539, 4428680), (4717, 4261560), (5340, 3764378), (5406, 3718420), (6052, 3321510), (6267, 3207560), (6360, 3160657), (7208, 2788815), (7565, 2657208), (8356, 2405670), (9010, 2231052), (9078, 2214340), (9434, 2130780), (10445, 1924536), (10680, 1882189), (10812, 1859210), (12104, 1660755), (12534, 1603780), (13515, 1487368), (14151, 1420520), (15130, 1328604), (16712, 1202835), (18020, 1115526), (18156, 1107170), (18868, 1065390), (20890, 962268), (21624, 929605), (22695, 885736), (23585, 852312), (25068, 801890), (27030, 743684), (28302, 710260), (30260, 664302), (31335, 641512), (35513, 566040), (36040, 557763), (36312, 553585), (37736, 532695), (41780, 481134), (45390, 442868), (47170, 426156), (50136, 400945), (54060, 371842), (56604, 355130), (60520, 332151), (62670, 320756), (70755, 284104), (71026, 283020), (80189, 250680), (83560, 240567), (90780, 221434), (94340, 213078), (106539, 188680), (108120, 185921), (110717, 181560), (113208, 177565), (125340, 160378), (141510, 142052)]