1556554740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1995583}}^1$

素因数の和:1995608

約数の個数: 48

約数和(自身を含む): 4693613568

約数和(自身を除く): 3137058828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1995583, 3991166, 5986749, 7982332, 9977915, 11973498, 19955830, 23946996, 25942579, 29933745, 39911660, 51885158, 59867490, 77827737, 103770316, 119734980, 129712895, 155655474, 259425790, 311310948, 389138685, 518851580, 778277370, 1556554740]

約数ペア:

[(1, 1556554740), (2, 778277370), (3, 518851580), (4, 389138685), (5, 311310948), (6, 259425790), (10, 155655474), (12, 129712895), (13, 119734980), (15, 103770316), (20, 77827737), (26, 59867490), (30, 51885158), (39, 39911660), (52, 29933745), (60, 25942579), (65, 23946996), (78, 19955830), (130, 11973498), (156, 9977915), (195, 7982332), (260, 5986749), (390, 3991166), (780, 1995583)]