56081220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71899}}^1$

素因数の和:71924

約数の個数: 48

約数和(自身を含む): 169108800

約数和(自身を除く): 113027580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 71899, 143798, 215697, 287596, 359495, 431394, 718990, 862788, 934687, 1078485, 1437980, 1869374, 2156970, 2804061, 3738748, 4313940, 4673435, 5608122, 9346870, 11216244, 14020305, 18693740, 28040610, 56081220]

約数ペア:

[(1, 56081220), (2, 28040610), (3, 18693740), (4, 14020305), (5, 11216244), (6, 9346870), (10, 5608122), (12, 4673435), (13, 4313940), (15, 3738748), (20, 2804061), (26, 2156970), (30, 1869374), (39, 1437980), (52, 1078485), (60, 934687), (65, 862788), (78, 718990), (130, 431394), (156, 359495), (195, 287596), (260, 215697), (390, 143798), (780, 71899)]