64622320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 172988928

約数和(自身を除く): 108366608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 691, 835, 1169, 1336, 1382, 1670, 2338, 2672, 2764, 3340, 3455, 4676, 4837, 5528, 5845, 6680, 6910, 9352, 9674, 11056, 11690, 13360, 13820, 18704, 19348, 23380, 24185, 27640, 38696, 46760, 48370, 55280, 77392, 93520, 96740, 115397, 193480, 230794, 386960, 461588, 576985, 807779, 923176, 1153970, 1615558, 1846352, 2307940, 3231116, 4038895, 4615880, 6462232, 8077790, 9231760, 12924464, 16155580, 32311160, 64622320]

約数ペア:

[(1, 64622320), (2, 32311160), (4, 16155580), (5, 12924464), (7, 9231760), (8, 8077790), (10, 6462232), (14, 4615880), (16, 4038895), (20, 3231116), (28, 2307940), (35, 1846352), (40, 1615558), (56, 1153970), (70, 923176), (80, 807779), (112, 576985), (140, 461588), (167, 386960), (280, 230794), (334, 193480), (560, 115397), (668, 96740), (691, 93520), (835, 77392), (1169, 55280), (1336, 48370), (1382, 46760), (1670, 38696), (2338, 27640), (2672, 24185), (2764, 23380), (3340, 19348), (3455, 18704), (4676, 13820), (4837, 13360), (5528, 11690), (5845, 11056), (6680, 9674), (6910, 9352)]