159968120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307631}}^1$

素因数の和:307655

約数の個数: 32

約数和(自身を含む): 387616320

約数和(自身を除く): 227648200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 307631, 615262, 1230524, 1538155, 2461048, 3076310, 3999203, 6152620, 7998406, 12305240, 15996812, 19996015, 31993624, 39992030, 79984060, 159968120]

約数ペア:

[(1, 159968120), (2, 79984060), (4, 39992030), (5, 31993624), (8, 19996015), (10, 15996812), (13, 12305240), (20, 7998406), (26, 6152620), (40, 3999203), (52, 3076310), (65, 2461048), (104, 1538155), (130, 1230524), (260, 615262), (520, 307631)]