7636980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9791}}^1$

素因数の和:9816

約数の個数: 48

約数和(自身を含む): 23030784

約数和(自身を除く): 15393804

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, 9791, 19582, 29373, 39164, 48955, 58746, 97910, 117492, 127283, 146865, 195820, 254566, 293730, 381849, 509132, 587460, 636415, 763698, 1272830, 1527396, 1909245, 2545660, 3818490, 7636980]

約数ペア:

[(1, 7636980), (2, 3818490), (3, 2545660), (4, 1909245), (5, 1527396), (6, 1272830), (10, 763698), (12, 636415), (13, 587460), (15, 509132), (20, 381849), (26, 293730), (30, 254566), (39, 195820), (52, 146865), (60, 127283), (65, 117492), (78, 97910), (130, 58746), (156, 48955), (195, 39164), (260, 29373), (390, 19582), (780, 9791)]