128428230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2161}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 353668608

約数和(自身を除く): 225240378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 283, 566, 849, 1415, 1698, 1981, 2161, 2830, 3962, 4245, 4322, 5943, 6483, 8490, 9905, 10805, 11886, 12966, 15127, 19810, 21610, 29715, 30254, 32415, 45381, 59430, 64830, 75635, 90762, 151270, 226905, 453810, 611563, 1223126, 1834689, 3057815, 3669378, 4280941, 6115630, 8561882, 9173445, 12842823, 18346890, 21404705, 25685646, 42809410, 64214115, 128428230]

約数ペア:

[(1, 128428230), (2, 64214115), (3, 42809410), (5, 25685646), (6, 21404705), (7, 18346890), (10, 12842823), (14, 9173445), (15, 8561882), (21, 6115630), (30, 4280941), (35, 3669378), (42, 3057815), (70, 1834689), (105, 1223126), (210, 611563), (283, 453810), (566, 226905), (849, 151270), (1415, 90762), (1698, 75635), (1981, 64830), (2161, 59430), (2830, 45381), (3962, 32415), (4245, 30254), (4322, 29715), (5943, 21610), (6483, 19810), (8490, 15127), (9905, 12966), (10805, 11886)]