1313726440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{68281}}^1$

素因数の和:68342

約数の個数: 64

約数和(自身を含む): 3269342160

約数和(自身を除く): 1955615720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 68281, 136562, 273124, 341405, 546248, 682810, 887653, 1365620, 1775306, 2526397, 2731240, 3550612, 4438265, 5052794, 7101224, 8876530, 10105588, 12631985, 17753060, 20211176, 25263970, 32843161, 35506120, 50527940, 65686322, 101055880, 131372644, 164215805, 262745288, 328431610, 656863220, 1313726440]

約数ペア:

[(1, 1313726440), (2, 656863220), (4, 328431610), (5, 262745288), (8, 164215805), (10, 131372644), (13, 101055880), (20, 65686322), (26, 50527940), (37, 35506120), (40, 32843161), (52, 25263970), (65, 20211176), (74, 17753060), (104, 12631985), (130, 10105588), (148, 8876530), (185, 7101224), (260, 5052794), (296, 4438265), (370, 3550612), (481, 2731240), (520, 2526397), (740, 1775306), (962, 1365620), (1480, 887653), (1924, 682810), (2405, 546248), (3848, 341405), (4810, 273124), (9620, 136562), (19240, 68281)]