30831528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 99993600

約数和(自身を除く): 69162072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 743, 798, 988, 1064, 1092, 1482, 1486, 1596, 1729, 1976, 2184, 2229, 2964, 2972, 3192, 3458, 4458, 5187, 5201, 5928, 5944, 6916, 8916, 9659, 10374, 10402, 13832, 14117, 15603, 17832, 19318, 20748, 20804, 28234, 28977, 31206, 38636, 41496, 41608, 42351, 56468, 57954, 62412, 67613, 77272, 84702, 98819, 112936, 115908, 124824, 135226, 169404, 183521, 197638, 202839, 231816, 270452, 296457, 338808, 367042, 395276, 405678, 540904, 550563, 592914, 734084, 790552, 811356, 1101126, 1185828, 1284647, 1468168, 1622712, 2202252, 2371656, 2569294, 3853941, 4404504, 5138588, 7707882, 10277176, 15415764, 30831528]

約数ペア:

[(1, 30831528), (2, 15415764), (3, 10277176), (4, 7707882), (6, 5138588), (7, 4404504), (8, 3853941), (12, 2569294), (13, 2371656), (14, 2202252), (19, 1622712), (21, 1468168), (24, 1284647), (26, 1185828), (28, 1101126), (38, 811356), (39, 790552), (42, 734084), (52, 592914), (56, 550563), (57, 540904), (76, 405678), (78, 395276), (84, 367042), (91, 338808), (104, 296457), (114, 270452), (133, 231816), (152, 202839), (156, 197638), (168, 183521), (182, 169404), (228, 135226), (247, 124824), (266, 115908), (273, 112936), (312, 98819), (364, 84702), (399, 77272), (456, 67613), (494, 62412), (532, 57954), (546, 56468), (728, 42351), (741, 41608), (743, 41496), (798, 38636), (988, 31206), (1064, 28977), (1092, 28234), (1482, 20804), (1486, 20748), (1596, 19318), (1729, 17832), (1976, 15603), (2184, 14117), (2229, 13832), (2964, 10402), (2972, 10374), (3192, 9659), (3458, 8916), (4458, 6916), (5187, 5944), (5201, 5928)]