90718830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14197}}^1$

素因数の和:14281

約数の個数: 48

約数和(自身を含む): 239207904

約数和(自身を除く): 148489074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 14197, 28394, 42591, 70985, 85182, 127773, 141970, 212955, 255546, 425910, 638865, 1007987, 1277730, 2015974, 3023961, 5039935, 6047922, 9071883, 10079870, 15119805, 18143766, 30239610, 45359415, 90718830]

約数ペア:

[(1, 90718830), (2, 45359415), (3, 30239610), (5, 18143766), (6, 15119805), (9, 10079870), (10, 9071883), (15, 6047922), (18, 5039935), (30, 3023961), (45, 2015974), (71, 1277730), (90, 1007987), (142, 638865), (213, 425910), (355, 255546), (426, 212955), (639, 141970), (710, 127773), (1065, 85182), (1278, 70985), (2130, 42591), (3195, 28394), (6390, 14197)]