80712756

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 209649440

約数和(自身を除く): 128936684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 109, 134, 201, 218, 268, 307, 327, 402, 436, 603, 614, 654, 804, 921, 981, 1206, 1228, 1308, 1842, 1962, 2412, 2763, 3684, 3924, 5526, 7303, 11052, 14606, 20569, 21909, 29212, 33463, 41138, 43818, 61707, 65727, 66926, 82276, 87636, 100389, 123414, 131454, 133852, 185121, 200778, 246828, 262908, 301167, 370242, 401556, 602334, 740484, 1204668, 2242021, 4484042, 6726063, 8968084, 13452126, 20178189, 26904252, 40356378, 80712756]

約数ペア:

[(1, 80712756), (2, 40356378), (3, 26904252), (4, 20178189), (6, 13452126), (9, 8968084), (12, 6726063), (18, 4484042), (36, 2242021), (67, 1204668), (109, 740484), (134, 602334), (201, 401556), (218, 370242), (268, 301167), (307, 262908), (327, 246828), (402, 200778), (436, 185121), (603, 133852), (614, 131454), (654, 123414), (804, 100389), (921, 87636), (981, 82276), (1206, 66926), (1228, 65727), (1308, 61707), (1842, 43818), (1962, 41138), (2412, 33463), (2763, 29212), (3684, 21909), (3924, 20569), (5526, 14606), (7303, 11052)]