7628920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 11966600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 863, 884, 1105, 1726, 1768, 2210, 3452, 4315, 4420, 6904, 8630, 8840, 11219, 14671, 17260, 22438, 29342, 34520, 44876, 56095, 58684, 73355, 89752, 112190, 117368, 146710, 190723, 224380, 293420, 381446, 448760, 586840, 762892, 953615, 1525784, 1907230, 3814460, 7628920]

約数ペア:

[(1, 7628920), (2, 3814460), (4, 1907230), (5, 1525784), (8, 953615), (10, 762892), (13, 586840), (17, 448760), (20, 381446), (26, 293420), (34, 224380), (40, 190723), (52, 146710), (65, 117368), (68, 112190), (85, 89752), (104, 73355), (130, 58684), (136, 56095), (170, 44876), (221, 34520), (260, 29342), (340, 22438), (442, 17260), (520, 14671), (680, 11219), (863, 8840), (884, 8630), (1105, 6904), (1726, 4420), (1768, 4315), (2210, 3452)]