156942640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115399}}^1$

素因数の和:115429

約数の個数: 40

約数和(自身を含む): 386359200

約数和(自身を除く): 229416560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 115399, 230798, 461596, 576995, 923192, 1153990, 1846384, 1961783, 2307980, 3923566, 4615960, 7847132, 9231920, 9808915, 15694264, 19617830, 31388528, 39235660, 78471320, 156942640]

約数ペア:

[(1, 156942640), (2, 78471320), (4, 39235660), (5, 31388528), (8, 19617830), (10, 15694264), (16, 9808915), (17, 9231920), (20, 7847132), (34, 4615960), (40, 3923566), (68, 2307980), (80, 1961783), (85, 1846384), (136, 1153990), (170, 923192), (272, 576995), (340, 461596), (680, 230798), (1360, 115399)]