15661116

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 41385344

約数和(自身を除く): 25724228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 151, 172, 201, 258, 268, 302, 387, 402, 453, 516, 603, 604, 774, 804, 906, 1206, 1359, 1548, 1812, 2412, 2718, 2881, 5436, 5762, 6493, 8643, 10117, 11524, 12986, 17286, 19479, 20234, 25929, 25972, 30351, 34572, 38958, 40468, 51858, 58437, 60702, 77916, 91053, 103716, 116874, 121404, 182106, 233748, 364212, 435031, 870062, 1305093, 1740124, 2610186, 3915279, 5220372, 7830558, 15661116]

約数ペア:

[(1, 15661116), (2, 7830558), (3, 5220372), (4, 3915279), (6, 2610186), (9, 1740124), (12, 1305093), (18, 870062), (36, 435031), (43, 364212), (67, 233748), (86, 182106), (129, 121404), (134, 116874), (151, 103716), (172, 91053), (201, 77916), (258, 60702), (268, 58437), (302, 51858), (387, 40468), (402, 38958), (453, 34572), (516, 30351), (603, 25972), (604, 25929), (774, 20234), (804, 19479), (906, 17286), (1206, 12986), (1359, 11524), (1548, 10117), (1812, 8643), (2412, 6493), (2718, 5762), (2881, 5436)]