819959920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:963

約数の個数: 160

約数和(自身を含む): 2194859520

約数和(自身を除く): 1374899600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 208, 232, 248, 260, 290, 310, 377, 403, 464, 496, 520, 580, 620, 754, 806, 877, 899, 1040, 1160, 1240, 1508, 1612, 1754, 1798, 1885, 2015, 2320, 2480, 3016, 3224, 3508, 3596, 3770, 4030, 4385, 4495, 6032, 6448, 7016, 7192, 7540, 8060, 8770, 8990, 11401, 11687, 14032, 14384, 15080, 16120, 17540, 17980, 22802, 23374, 25433, 27187, 30160, 32240, 35080, 35960, 45604, 46748, 50866, 54374, 57005, 58435, 70160, 71920, 91208, 93496, 101732, 108748, 114010, 116870, 127165, 135935, 182416, 186992, 203464, 217496, 228020, 233740, 254330, 271870, 330629, 353431, 406928, 434992, 456040, 467480, 508660, 543740, 661258, 706862, 788423, 912080, 934960, 1017320, 1087480, 1322516, 1413724, 1576846, 1653145, 1767155, 2034640, 2174960, 2645032, 2827448, 3153692, 3306290, 3534310, 3942115, 5290064, 5654896, 6307384, 6612580, 7068620, 7884230, 10249499, 12614768, 13225160, 14137240, 15768460, 20498998, 26450320, 28274480, 31536920, 40997996, 51247495, 63073840, 81995992, 102494990, 163991984, 204989980, 409979960, 819959920]

約数ペア:

[(1, 819959920), (2, 409979960), (4, 204989980), (5, 163991984), (8, 102494990), (10, 81995992), (13, 63073840), (16, 51247495), (20, 40997996), (26, 31536920), (29, 28274480), (31, 26450320), (40, 20498998), (52, 15768460), (58, 14137240), (62, 13225160), (65, 12614768), (80, 10249499), (104, 7884230), (116, 7068620), (124, 6612580), (130, 6307384), (145, 5654896), (155, 5290064), (208, 3942115), (232, 3534310), (248, 3306290), (260, 3153692), (290, 2827448), (310, 2645032), (377, 2174960), (403, 2034640), (464, 1767155), (496, 1653145), (520, 1576846), (580, 1413724), (620, 1322516), (754, 1087480), (806, 1017320), (877, 934960), (899, 912080), (1040, 788423), (1160, 706862), (1240, 661258), (1508, 543740), (1612, 508660), (1754, 467480), (1798, 456040), (1885, 434992), (2015, 406928), (2320, 353431), (2480, 330629), (3016, 271870), (3224, 254330), (3508, 233740), (3596, 228020), (3770, 217496), (4030, 203464), (4385, 186992), (4495, 182416), (6032, 135935), (6448, 127165), (7016, 116870), (7192, 114010), (7540, 108748), (8060, 101732), (8770, 93496), (8990, 91208), (11401, 71920), (11687, 70160), (14032, 58435), (14384, 57005), (15080, 54374), (16120, 50866), (17540, 46748), (17980, 45604), (22802, 35960), (23374, 35080), (25433, 32240), (27187, 30160)]