659173640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{2531}}^1$

素因数の和:2942

約数の個数: 64

約数和(自身を含む): 1575106560

約数和(自身を除く): 915932920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 1532, 1915, 2531, 3064, 3830, 5062, 6511, 7660, 10124, 12655, 13022, 15320, 20248, 25310, 26044, 32555, 43027, 50620, 52088, 65110, 86054, 101240, 130220, 172108, 215135, 260440, 344216, 430270, 860540, 969373, 1721080, 1938746, 3877492, 4846865, 7754984, 9693730, 16479341, 19387460, 32958682, 38774920, 65917364, 82396705, 131834728, 164793410, 329586820, 659173640]

約数ペア:

[(1, 659173640), (2, 329586820), (4, 164793410), (5, 131834728), (8, 82396705), (10, 65917364), (17, 38774920), (20, 32958682), (34, 19387460), (40, 16479341), (68, 9693730), (85, 7754984), (136, 4846865), (170, 3877492), (340, 1938746), (383, 1721080), (680, 969373), (766, 860540), (1532, 430270), (1915, 344216), (2531, 260440), (3064, 215135), (3830, 172108), (5062, 130220), (6511, 101240), (7660, 86054), (10124, 65110), (12655, 52088), (13022, 50620), (15320, 43027), (20248, 32555), (25310, 26044)]