156968690680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1\times {\mathrm{61511}}^1$

素因数の和:62140

約数の個数: 64

約数和(自身を含む): 356612129280

約数和(自身を除く): 199643438600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 487, 524, 655, 974, 1048, 1310, 1948, 2435, 2620, 3896, 4870, 5240, 9740, 19480, 61511, 63797, 123022, 127594, 246044, 255188, 307555, 318985, 492088, 510376, 615110, 637970, 1230220, 1275940, 2460440, 2551880, 8057941, 16115882, 29955857, 32231764, 40289705, 59911714, 64463528, 80579410, 119823428, 149779285, 161158820, 239646856, 299558570, 322317640, 599117140, 1198234280, 3924217267, 7848434534, 15696869068, 19621086335, 31393738136, 39242172670, 78484345340, 156968690680]

約数ペア:

[(1, 156968690680), (2, 78484345340), (4, 39242172670), (5, 31393738136), (8, 19621086335), (10, 15696869068), (20, 7848434534), (40, 3924217267), (131, 1198234280), (262, 599117140), (487, 322317640), (524, 299558570), (655, 239646856), (974, 161158820), (1048, 149779285), (1310, 119823428), (1948, 80579410), (2435, 64463528), (2620, 59911714), (3896, 40289705), (4870, 32231764), (5240, 29955857), (9740, 16115882), (19480, 8057941), (61511, 2551880), (63797, 2460440), (123022, 1275940), (127594, 1230220), (246044, 637970), (255188, 615110), (307555, 510376), (318985, 492088)]