154902640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113899}}^1$

素因数の和:113929

約数の個数: 40

約数和(自身を含む): 381337200

約数和(自身を除く): 226434560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 113899, 227798, 455596, 569495, 911192, 1138990, 1822384, 1936283, 2277980, 3872566, 4555960, 7745132, 9111920, 9681415, 15490264, 19362830, 30980528, 38725660, 77451320, 154902640]

約数ペア:

[(1, 154902640), (2, 77451320), (4, 38725660), (5, 30980528), (8, 19362830), (10, 15490264), (16, 9681415), (17, 9111920), (20, 7745132), (34, 4555960), (40, 3872566), (68, 2277980), (80, 1936283), (85, 1822384), (136, 1138990), (170, 911192), (272, 569495), (340, 455596), (680, 227798), (1360, 113899)]