30809628

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 49911012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 131, 139, 141, 188, 262, 278, 282, 393, 417, 423, 524, 556, 564, 786, 834, 846, 1179, 1251, 1572, 1668, 1692, 2358, 2502, 4716, 5004, 6157, 6533, 12314, 13066, 18209, 18471, 19599, 24628, 26132, 36418, 36942, 39198, 54627, 55413, 58797, 72836, 73884, 78396, 109254, 110826, 117594, 163881, 218508, 221652, 235188, 327762, 655524, 855823, 1711646, 2567469, 3423292, 5134938, 7702407, 10269876, 15404814, 30809628]

約数ペア:

[(1, 30809628), (2, 15404814), (3, 10269876), (4, 7702407), (6, 5134938), (9, 3423292), (12, 2567469), (18, 1711646), (36, 855823), (47, 655524), (94, 327762), (131, 235188), (139, 221652), (141, 218508), (188, 163881), (262, 117594), (278, 110826), (282, 109254), (393, 78396), (417, 73884), (423, 72836), (524, 58797), (556, 55413), (564, 54627), (786, 39198), (834, 36942), (846, 36418), (1179, 26132), (1251, 24628), (1572, 19599), (1668, 18471), (1692, 18209), (2358, 13066), (2502, 12314), (4716, 6533), (5004, 6157)]