67720640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 176832768

約数和(自身を除く): 109112128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 146, 160, 208, 223, 260, 292, 320, 365, 416, 446, 520, 584, 730, 832, 892, 949, 1040, 1115, 1168, 1460, 1784, 1898, 2080, 2230, 2336, 2899, 2920, 3568, 3796, 4160, 4460, 4672, 4745, 5798, 5840, 7136, 7592, 8920, 9490, 11596, 11680, 14272, 14495, 15184, 16279, 17840, 18980, 23192, 23360, 28990, 30368, 32558, 35680, 37960, 46384, 57980, 60736, 65116, 71360, 75920, 81395, 92768, 115960, 130232, 151840, 162790, 185536, 211627, 231920, 260464, 303680, 325580, 423254, 463840, 520928, 651160, 846508, 927680, 1041856, 1058135, 1302320, 1693016, 2116270, 2604640, 3386032, 4232540, 5209280, 6772064, 8465080, 13544128, 16930160, 33860320, 67720640]

約数ペア:

[(1, 67720640), (2, 33860320), (4, 16930160), (5, 13544128), (8, 8465080), (10, 6772064), (13, 5209280), (16, 4232540), (20, 3386032), (26, 2604640), (32, 2116270), (40, 1693016), (52, 1302320), (64, 1058135), (65, 1041856), (73, 927680), (80, 846508), (104, 651160), (130, 520928), (146, 463840), (160, 423254), (208, 325580), (223, 303680), (260, 260464), (292, 231920), (320, 211627), (365, 185536), (416, 162790), (446, 151840), (520, 130232), (584, 115960), (730, 92768), (832, 81395), (892, 75920), (949, 71360), (1040, 65116), (1115, 60736), (1168, 57980), (1460, 46384), (1784, 37960), (1898, 35680), (2080, 32558), (2230, 30368), (2336, 28990), (2899, 23360), (2920, 23192), (3568, 18980), (3796, 17840), (4160, 16279), (4460, 15184), (4672, 14495), (4745, 14272), (5798, 11680), (5840, 11596), (7136, 9490), (7592, 8920)]