31097560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 76406400

約数和(自身を除く): 45308840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 757, 790, 1027, 1514, 1580, 2054, 3028, 3160, 3785, 4108, 5135, 6056, 7570, 8216, 9841, 10270, 15140, 19682, 20540, 30280, 39364, 41080, 49205, 59803, 78728, 98410, 119606, 196820, 239212, 299015, 393640, 478424, 598030, 777439, 1196060, 1554878, 2392120, 3109756, 3887195, 6219512, 7774390, 15548780, 31097560]

約数ペア:

[(1, 31097560), (2, 15548780), (4, 7774390), (5, 6219512), (8, 3887195), (10, 3109756), (13, 2392120), (20, 1554878), (26, 1196060), (40, 777439), (52, 598030), (65, 478424), (79, 393640), (104, 299015), (130, 239212), (158, 196820), (260, 119606), (316, 98410), (395, 78728), (520, 59803), (632, 49205), (757, 41080), (790, 39364), (1027, 30280), (1514, 20540), (1580, 19682), (2054, 15140), (3028, 10270), (3160, 9841), (3785, 8216), (4108, 7570), (5135, 6056)]