647715120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3917}}^1$

素因数の和:3999

約数の個数: 160

約数和(自身を含む): 2203733952

約数和(自身を除く): 1556018832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 520, 530, 624, 636, 689, 780, 795, 848, 1040, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2544, 2756, 3120, 3180, 3445, 3917, 4134, 4240, 5512, 6360, 6890, 7834, 8268, 10335, 11024, 11751, 12720, 13780, 15668, 16536, 19585, 20670, 23502, 27560, 31336, 33072, 39170, 41340, 47004, 50921, 55120, 58755, 62672, 78340, 82680, 94008, 101842, 117510, 152763, 156680, 165360, 188016, 203684, 207601, 235020, 254605, 305526, 313360, 407368, 415202, 470040, 509210, 611052, 622803, 763815, 814736, 830404, 940080, 1018420, 1038005, 1222104, 1245606, 1527630, 1660808, 2036840, 2076010, 2444208, 2491212, 2698813, 3055260, 3114015, 3321616, 4073680, 4152020, 4982424, 5397626, 6110520, 6228030, 8096439, 8304040, 9964848, 10795252, 12221040, 12456060, 13494065, 16192878, 16608080, 21590504, 24912120, 26988130, 32385756, 40482195, 43181008, 49824240, 53976260, 64771512, 80964390, 107952520, 129543024, 161928780, 215905040, 323857560, 647715120]

約数ペア:

[(1, 647715120), (2, 323857560), (3, 215905040), (4, 161928780), (5, 129543024), (6, 107952520), (8, 80964390), (10, 64771512), (12, 53976260), (13, 49824240), (15, 43181008), (16, 40482195), (20, 32385756), (24, 26988130), (26, 24912120), (30, 21590504), (39, 16608080), (40, 16192878), (48, 13494065), (52, 12456060), (53, 12221040), (60, 10795252), (65, 9964848), (78, 8304040), (80, 8096439), (104, 6228030), (106, 6110520), (120, 5397626), (130, 4982424), (156, 4152020), (159, 4073680), (195, 3321616), (208, 3114015), (212, 3055260), (240, 2698813), (260, 2491212), (265, 2444208), (312, 2076010), (318, 2036840), (390, 1660808), (424, 1527630), (520, 1245606), (530, 1222104), (624, 1038005), (636, 1018420), (689, 940080), (780, 830404), (795, 814736), (848, 763815), (1040, 622803), (1060, 611052), (1272, 509210), (1378, 470040), (1560, 415202), (1590, 407368), (2067, 313360), (2120, 305526), (2544, 254605), (2756, 235020), (3120, 207601), (3180, 203684), (3445, 188016), (3917, 165360), (4134, 156680), (4240, 152763), (5512, 117510), (6360, 101842), (6890, 94008), (7834, 82680), (8268, 78340), (10335, 62672), (11024, 58755), (11751, 55120), (12720, 50921), (13780, 47004), (15668, 41340), (16536, 39170), (19585, 33072), (20670, 31336), (23502, 27560)]