64473760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 165957120

約数和(自身を除く): 101483360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 139, 160, 208, 223, 260, 278, 416, 446, 520, 556, 695, 892, 1040, 1112, 1115, 1390, 1784, 1807, 2080, 2224, 2230, 2780, 2899, 3568, 3614, 4448, 4460, 5560, 5798, 7136, 7228, 8920, 9035, 11120, 11596, 14456, 14495, 17840, 18070, 22240, 23192, 28912, 28990, 30997, 35680, 36140, 46384, 57824, 57980, 61994, 72280, 92768, 115960, 123988, 144560, 154985, 231920, 247976, 289120, 309970, 402961, 463840, 495952, 619940, 805922, 991904, 1239880, 1611844, 2014805, 2479760, 3223688, 4029610, 4959520, 6447376, 8059220, 12894752, 16118440, 32236880, 64473760]

約数ペア:

[(1, 64473760), (2, 32236880), (4, 16118440), (5, 12894752), (8, 8059220), (10, 6447376), (13, 4959520), (16, 4029610), (20, 3223688), (26, 2479760), (32, 2014805), (40, 1611844), (52, 1239880), (65, 991904), (80, 805922), (104, 619940), (130, 495952), (139, 463840), (160, 402961), (208, 309970), (223, 289120), (260, 247976), (278, 231920), (416, 154985), (446, 144560), (520, 123988), (556, 115960), (695, 92768), (892, 72280), (1040, 61994), (1112, 57980), (1115, 57824), (1390, 46384), (1784, 36140), (1807, 35680), (2080, 30997), (2224, 28990), (2230, 28912), (2780, 23192), (2899, 22240), (3568, 18070), (3614, 17840), (4448, 14495), (4460, 14456), (5560, 11596), (5798, 11120), (7136, 9035), (7228, 8920)]