77642720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3821}}^1$

素因数の和:3963

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 107280928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3821, 4064, 5080, 7642, 10160, 15284, 19105, 20320, 30568, 38210, 61136, 76420, 122272, 152840, 305680, 485267, 611360, 970534, 1941068, 2426335, 3882136, 4852670, 7764272, 9705340, 15528544, 19410680, 38821360, 77642720]

約数ペア:

[(1, 77642720), (2, 38821360), (4, 19410680), (5, 15528544), (8, 9705340), (10, 7764272), (16, 4852670), (20, 3882136), (32, 2426335), (40, 1941068), (80, 970534), (127, 611360), (160, 485267), (254, 305680), (508, 152840), (635, 122272), (1016, 76420), (1270, 61136), (2032, 38210), (2540, 30568), (3821, 20320), (4064, 19105), (5080, 15284), (7642, 10160)]