405455220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{27809}}^1$

素因数の和:27836

約数の個数: 84

約数和(自身を含む): 1276645860

約数和(自身を除く): 871190640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 27809, 55618, 83427, 111236, 139045, 166854, 250281, 278090, 333708, 417135, 500562, 556180, 750843, 834270, 1001124, 1251405, 1501686, 1668540, 2252529, 2502810, 3003372, 3754215, 4505058, 5005620, 6757587, 7508430, 9010116, 11262645, 13515174, 15016860, 20272761, 22525290, 27030348, 33787935, 40545522, 45050580, 67575870, 81091044, 101363805, 135151740, 202727610, 405455220]

約数ペア:

[(1, 405455220), (2, 202727610), (3, 135151740), (4, 101363805), (5, 81091044), (6, 67575870), (9, 45050580), (10, 40545522), (12, 33787935), (15, 27030348), (18, 22525290), (20, 20272761), (27, 15016860), (30, 13515174), (36, 11262645), (45, 9010116), (54, 7508430), (60, 6757587), (81, 5005620), (90, 4505058), (108, 3754215), (135, 3003372), (162, 2502810), (180, 2252529), (243, 1668540), (270, 1501686), (324, 1251405), (405, 1001124), (486, 834270), (540, 750843), (729, 556180), (810, 500562), (972, 417135), (1215, 333708), (1458, 278090), (1620, 250281), (2430, 166854), (2916, 139045), (3645, 111236), (4860, 83427), (7290, 55618), (14580, 27809)]