1855360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 4798080

約数和(自身を除く): 2942720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 223, 260, 320, 416, 446, 520, 640, 832, 892, 1040, 1115, 1664, 1784, 2080, 2230, 2899, 3568, 4160, 4460, 5798, 7136, 8320, 8920, 11596, 14272, 14495, 17840, 23192, 28544, 28990, 35680, 46384, 57980, 71360, 92768, 115960, 142720, 185536, 231920, 371072, 463840, 927680, 1855360]

約数ペア:

[(1, 1855360), (2, 927680), (4, 463840), (5, 371072), (8, 231920), (10, 185536), (13, 142720), (16, 115960), (20, 92768), (26, 71360), (32, 57980), (40, 46384), (52, 35680), (64, 28990), (65, 28544), (80, 23192), (104, 17840), (128, 14495), (130, 14272), (160, 11596), (208, 8920), (223, 8320), (260, 7136), (320, 5798), (416, 4460), (446, 4160), (520, 3568), (640, 2899), (832, 2230), (892, 2080), (1040, 1784), (1115, 1664)]