1265706680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4520381}}^1$

素因数の和:4520399

約数の個数: 32

約数和(自身を含む): 3254675040

約数和(自身を除く): 1988968360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4520381, 9040762, 18081524, 22601905, 31642667, 36163048, 45203810, 63285334, 90407620, 126570668, 158213335, 180815240, 253141336, 316426670, 632853340, 1265706680]

約数ペア:

[(1, 1265706680), (2, 632853340), (4, 316426670), (5, 253141336), (7, 180815240), (8, 158213335), (10, 126570668), (14, 90407620), (20, 63285334), (28, 45203810), (35, 36163048), (40, 31642667), (56, 22601905), (70, 18081524), (140, 9040762), (280, 4520381)]