220520520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:500

約数の個数: 192

約数和(自身を含む): 788486400

約数和(自身を除く): 567965880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 233, 239, 264, 330, 360, 396, 440, 466, 478, 495, 660, 699, 717, 792, 932, 956, 990, 1165, 1195, 1320, 1398, 1434, 1864, 1912, 1980, 2097, 2151, 2330, 2390, 2563, 2629, 2796, 2868, 3495, 3585, 3960, 4194, 4302, 4660, 4780, 5126, 5258, 5592, 5736, 6990, 7170, 7689, 7887, 8388, 8604, 9320, 9560, 10252, 10485, 10516, 10755, 12815, 13145, 13980, 14340, 15378, 15774, 16776, 17208, 20504, 20970, 21032, 21510, 23067, 23661, 25630, 26290, 27960, 28680, 30756, 31548, 38445, 39435, 41940, 43020, 46134, 47322, 51260, 52580, 55687, 61512, 63096, 76890, 78870, 83880, 86040, 92268, 94644, 102520, 105160, 111374, 115335, 118305, 153780, 157740, 167061, 184536, 189288, 222748, 230670, 236610, 278435, 307560, 315480, 334122, 445496, 461340, 473220, 501183, 556870, 612557, 668244, 835305, 922680, 946440, 1002366, 1113740, 1225114, 1336488, 1670610, 1837671, 2004732, 2227480, 2450228, 2505915, 3062785, 3341220, 3675342, 4009464, 4900456, 5011830, 5513013, 6125570, 6682440, 7350684, 9188355, 10023660, 11026026, 12251140, 14701368, 18376710, 20047320, 22052052, 24502280, 27565065, 36753420, 44104104, 55130130, 73506840, 110260260, 220520520]

約数ペア:

[(1, 220520520), (2, 110260260), (3, 73506840), (4, 55130130), (5, 44104104), (6, 36753420), (8, 27565065), (9, 24502280), (10, 22052052), (11, 20047320), (12, 18376710), (15, 14701368), (18, 12251140), (20, 11026026), (22, 10023660), (24, 9188355), (30, 7350684), (33, 6682440), (36, 6125570), (40, 5513013), (44, 5011830), (45, 4900456), (55, 4009464), (60, 3675342), (66, 3341220), (72, 3062785), (88, 2505915), (90, 2450228), (99, 2227480), (110, 2004732), (120, 1837671), (132, 1670610), (165, 1336488), (180, 1225114), (198, 1113740), (220, 1002366), (233, 946440), (239, 922680), (264, 835305), (330, 668244), (360, 612557), (396, 556870), (440, 501183), (466, 473220), (478, 461340), (495, 445496), (660, 334122), (699, 315480), (717, 307560), (792, 278435), (932, 236610), (956, 230670), (990, 222748), (1165, 189288), (1195, 184536), (1320, 167061), (1398, 157740), (1434, 153780), (1864, 118305), (1912, 115335), (1980, 111374), (2097, 105160), (2151, 102520), (2330, 94644), (2390, 92268), (2563, 86040), (2629, 83880), (2796, 78870), (2868, 76890), (3495, 63096), (3585, 61512), (3960, 55687), (4194, 52580), (4302, 51260), (4660, 47322), (4780, 46134), (5126, 43020), (5258, 41940), (5592, 39435), (5736, 38445), (6990, 31548), (7170, 30756), (7689, 28680), (7887, 27960), (8388, 26290), (8604, 25630), (9320, 23661), (9560, 23067), (10252, 21510), (10485, 21032), (10516, 20970), (10755, 20504), (12815, 17208), (13145, 16776), (13980, 15774), (14340, 15378)]