156918861980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16007}}^1\times {\mathrm{11399}}^1$

素因数の和:27458

約数の個数: 48

約数和(自身を含む): 337243737600

約数和(自身を除く): 180324875620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 11399, 16007, 22798, 32014, 45596, 56995, 64028, 80035, 113990, 160070, 227980, 320140, 490157, 688301, 980314, 1376602, 1960628, 2450785, 2753204, 3441505, 4901570, 6883010, 9803140, 13766020, 182463793, 364927586, 729855172, 912318965, 1824637930, 3649275860, 7845943099, 15691886198, 31383772396, 39229715495, 78459430990, 156918861980]

約数ペア:

[(1, 156918861980), (2, 78459430990), (4, 39229715495), (5, 31383772396), (10, 15691886198), (20, 7845943099), (43, 3649275860), (86, 1824637930), (172, 912318965), (215, 729855172), (430, 364927586), (860, 182463793), (11399, 13766020), (16007, 9803140), (22798, 6883010), (32014, 4901570), (45596, 3441505), (56995, 2753204), (64028, 2450785), (80035, 1960628), (113990, 1376602), (160070, 980314), (227980, 688301), (320140, 490157)]