12456756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 34754720

約数和(自身を除く): 22297964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 619, 774, 1118, 1238, 1548, 1677, 1857, 2236, 2476, 3354, 3714, 5031, 5571, 6708, 7428, 8047, 10062, 11142, 16094, 20124, 22284, 24141, 26617, 32188, 48282, 53234, 72423, 79851, 96564, 106468, 144846, 159702, 239553, 289692, 319404, 346021, 479106, 692042, 958212, 1038063, 1384084, 2076126, 3114189, 4152252, 6228378, 12456756]

約数ペア:

[(1, 12456756), (2, 6228378), (3, 4152252), (4, 3114189), (6, 2076126), (9, 1384084), (12, 1038063), (13, 958212), (18, 692042), (26, 479106), (36, 346021), (39, 319404), (43, 289692), (52, 239553), (78, 159702), (86, 144846), (117, 106468), (129, 96564), (156, 79851), (172, 72423), (234, 53234), (258, 48282), (387, 32188), (468, 26617), (516, 24141), (559, 22284), (619, 20124), (774, 16094), (1118, 11142), (1238, 10062), (1548, 8047), (1677, 7428), (1857, 6708), (2236, 5571), (2476, 5031), (3354, 3714)]