12289380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 22305180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 857, 956, 1195, 1434, 1714, 2390, 2571, 2868, 3428, 3585, 4285, 4780, 5142, 7170, 8570, 10284, 12855, 14340, 17140, 25710, 51420, 204823, 409646, 614469, 819292, 1024115, 1228938, 2048230, 2457876, 3072345, 4096460, 6144690, 12289380]

約数ペア:

[(1, 12289380), (2, 6144690), (3, 4096460), (4, 3072345), (5, 2457876), (6, 2048230), (10, 1228938), (12, 1024115), (15, 819292), (20, 614469), (30, 409646), (60, 204823), (239, 51420), (478, 25710), (717, 17140), (857, 14340), (956, 12855), (1195, 10284), (1434, 8570), (1714, 7170), (2390, 5142), (2571, 4780), (2868, 4285), (3428, 3585)]