12393420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15889}}^1$

素因数の和:15914

約数の個数: 48

約数和(自身を含む): 37373280

約数和(自身を除く): 24979860

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, 15889, 31778, 47667, 63556, 79445, 95334, 158890, 190668, 206557, 238335, 317780, 413114, 476670, 619671, 826228, 953340, 1032785, 1239342, 2065570, 2478684, 3098355, 4131140, 6196710, 12393420]

約数ペア:

[(1, 12393420), (2, 6196710), (3, 4131140), (4, 3098355), (5, 2478684), (6, 2065570), (10, 1239342), (12, 1032785), (13, 953340), (15, 826228), (20, 619671), (26, 476670), (30, 413114), (39, 317780), (52, 238335), (60, 206557), (65, 190668), (78, 158890), (130, 95334), (156, 79445), (195, 63556), (260, 47667), (390, 31778), (780, 15889)]