1225380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 3697344

約数和(自身を除く): 2471964

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, 1571, 3142, 4713, 6284, 7855, 9426, 15710, 18852, 20423, 23565, 31420, 40846, 47130, 61269, 81692, 94260, 102115, 122538, 204230, 245076, 306345, 408460, 612690, 1225380]

約数ペア:

[(1, 1225380), (2, 612690), (3, 408460), (4, 306345), (5, 245076), (6, 204230), (10, 122538), (12, 102115), (13, 94260), (15, 81692), (20, 61269), (26, 47130), (30, 40846), (39, 31420), (52, 23565), (60, 20423), (65, 18852), (78, 15710), (130, 9426), (156, 7855), (195, 6284), (260, 4713), (390, 3142), (780, 1571)]