63512780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 136170720

約数和(自身を除く): 72657940

約数列:

[1, 2, 4, 5, 10, 20, 113, 157, 179, 226, 314, 358, 452, 565, 628, 716, 785, 895, 1130, 1570, 1790, 2260, 3140, 3580, 17741, 20227, 28103, 35482, 40454, 56206, 70964, 80908, 88705, 101135, 112412, 140515, 177410, 202270, 281030, 354820, 404540, 562060, 3175639, 6351278, 12702556, 15878195, 31756390, 63512780]

約数ペア:

[(1, 63512780), (2, 31756390), (4, 15878195), (5, 12702556), (10, 6351278), (20, 3175639), (113, 562060), (157, 404540), (179, 354820), (226, 281030), (314, 202270), (358, 177410), (452, 140515), (565, 112412), (628, 101135), (716, 88705), (785, 80908), (895, 70964), (1130, 56206), (1570, 40454), (1790, 35482), (2260, 28103), (3140, 20227), (3580, 17741)]