56180240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 140013360

約数和(自身を除く): 83833120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 409, 505, 680, 808, 818, 1010, 1360, 1616, 1636, 1717, 2020, 2045, 3272, 3434, 4040, 4090, 6544, 6868, 6953, 8080, 8180, 8585, 13736, 13906, 16360, 17170, 27472, 27812, 32720, 34340, 34765, 41309, 55624, 68680, 69530, 82618, 111248, 137360, 139060, 165236, 206545, 278120, 330472, 413090, 556240, 660944, 702253, 826180, 1404506, 1652360, 2809012, 3304720, 3511265, 5618024, 7022530, 11236048, 14045060, 28090120, 56180240]

約数ペア:

[(1, 56180240), (2, 28090120), (4, 14045060), (5, 11236048), (8, 7022530), (10, 5618024), (16, 3511265), (17, 3304720), (20, 2809012), (34, 1652360), (40, 1404506), (68, 826180), (80, 702253), (85, 660944), (101, 556240), (136, 413090), (170, 330472), (202, 278120), (272, 206545), (340, 165236), (404, 139060), (409, 137360), (505, 111248), (680, 82618), (808, 69530), (818, 68680), (1010, 55624), (1360, 41309), (1616, 34765), (1636, 34340), (1717, 32720), (2020, 27812), (2045, 27472), (3272, 17170), (3434, 16360), (4040, 13906), (4090, 13736), (6544, 8585), (6868, 8180), (6953, 8080)]