171562640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 426870000

約数和(自身を除く): 255307360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 808, 1010, 1249, 1360, 1616, 1717, 2020, 2498, 3434, 4040, 4996, 6245, 6868, 8080, 8585, 9992, 12490, 13736, 17170, 19984, 21233, 24980, 27472, 34340, 42466, 49960, 68680, 84932, 99920, 106165, 126149, 137360, 169864, 212330, 252298, 339728, 424660, 504596, 630745, 849320, 1009192, 1261490, 1698640, 2018384, 2144533, 2522980, 4289066, 5045960, 8578132, 10091920, 10722665, 17156264, 21445330, 34312528, 42890660, 85781320, 171562640]

約数ペア:

[(1, 171562640), (2, 85781320), (4, 42890660), (5, 34312528), (8, 21445330), (10, 17156264), (16, 10722665), (17, 10091920), (20, 8578132), (34, 5045960), (40, 4289066), (68, 2522980), (80, 2144533), (85, 2018384), (101, 1698640), (136, 1261490), (170, 1009192), (202, 849320), (272, 630745), (340, 504596), (404, 424660), (505, 339728), (680, 252298), (808, 212330), (1010, 169864), (1249, 137360), (1360, 126149), (1616, 106165), (1717, 99920), (2020, 84932), (2498, 68680), (3434, 49960), (4040, 42466), (4996, 34340), (6245, 27472), (6868, 24980), (8080, 21233), (8585, 19984), (9992, 17170), (12490, 13736)]