56731740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72733}}^1$

素因数の和:72758

約数の個数: 48

約数和(自身を含む): 171070368

約数和(自身を除く): 114338628

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, 72733, 145466, 218199, 290932, 363665, 436398, 727330, 872796, 945529, 1090995, 1454660, 1891058, 2181990, 2836587, 3782116, 4363980, 4727645, 5673174, 9455290, 11346348, 14182935, 18910580, 28365870, 56731740]

約数ペア:

[(1, 56731740), (2, 28365870), (3, 18910580), (4, 14182935), (5, 11346348), (6, 9455290), (10, 5673174), (12, 4727645), (13, 4363980), (15, 3782116), (20, 2836587), (26, 2181990), (30, 1891058), (39, 1454660), (52, 1090995), (60, 945529), (65, 872796), (78, 727330), (130, 436398), (156, 363665), (195, 290932), (260, 218199), (390, 145466), (780, 72733)]