1215830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1579}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 2730240

約数和(自身を除く): 1514410

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1579, 3158, 7895, 11053, 15790, 17369, 22106, 34738, 55265, 86845, 110530, 121583, 173690, 243166, 607915, 1215830]

約数ペア:

[(1, 1215830), (2, 607915), (5, 243166), (7, 173690), (10, 121583), (11, 110530), (14, 86845), (22, 55265), (35, 34738), (55, 22106), (70, 17369), (77, 15790), (110, 11053), (154, 7895), (385, 3158), (770, 1579)]