30256980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38791}}^1$

素因数の和:38816

約数の個数: 48

約数和(自身を含む): 91238784

約数和(自身を除く): 60981804

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, 38791, 77582, 116373, 155164, 193955, 232746, 387910, 465492, 504283, 581865, 775820, 1008566, 1163730, 1512849, 2017132, 2327460, 2521415, 3025698, 5042830, 6051396, 7564245, 10085660, 15128490, 30256980]

約数ペア:

[(1, 30256980), (2, 15128490), (3, 10085660), (4, 7564245), (5, 6051396), (6, 5042830), (10, 3025698), (12, 2521415), (13, 2327460), (15, 2017132), (20, 1512849), (26, 1163730), (30, 1008566), (39, 775820), (52, 581865), (60, 504283), (65, 465492), (78, 387910), (130, 232746), (156, 193955), (195, 155164), (260, 116373), (390, 77582), (780, 38791)]