67780960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32587}}^1$

素因数の和:32615

約数の個数: 48

約数和(自身を含む): 172455696

約数和(自身を除く): 104674736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 32587, 65174, 130348, 162935, 260696, 325870, 423631, 521392, 651740, 847262, 1042784, 1303480, 1694524, 2118155, 2606960, 3389048, 4236310, 5213920, 6778096, 8472620, 13556192, 16945240, 33890480, 67780960]

約数ペア:

[(1, 67780960), (2, 33890480), (4, 16945240), (5, 13556192), (8, 8472620), (10, 6778096), (13, 5213920), (16, 4236310), (20, 3389048), (26, 2606960), (32, 2118155), (40, 1694524), (52, 1303480), (65, 1042784), (80, 847262), (104, 651740), (130, 521392), (160, 423631), (208, 325870), (260, 260696), (416, 162935), (520, 130348), (1040, 65174), (2080, 32587)]