70987980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169019}}^1$

素因数の和:169038

約数の個数: 48

約数和(自身を含む): 227162880

約数和(自身を除く): 156174900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 169019, 338038, 507057, 676076, 845095, 1014114, 1183133, 1690190, 2028228, 2366266, 2535285, 3380380, 3549399, 4732532, 5070570, 5915665, 7098798, 10141140, 11831330, 14197596, 17746995, 23662660, 35493990, 70987980]

約数ペア:

[(1, 70987980), (2, 35493990), (3, 23662660), (4, 17746995), (5, 14197596), (6, 11831330), (7, 10141140), (10, 7098798), (12, 5915665), (14, 5070570), (15, 4732532), (20, 3549399), (21, 3380380), (28, 2535285), (30, 2366266), (35, 2028228), (42, 1690190), (60, 1183133), (70, 1014114), (84, 845095), (105, 676076), (140, 507057), (210, 338038), (420, 169019)]