40040820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 122227560

約数和(自身を除く): 82186740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1229, 1629, 1810, 2172, 2458, 2715, 3258, 3620, 3687, 4916, 5430, 6145, 6516, 7374, 8145, 10860, 11061, 12290, 14748, 16290, 18435, 22122, 24580, 32580, 36870, 44244, 55305, 73740, 110610, 221220, 222449, 444898, 667347, 889796, 1112245, 1334694, 2002041, 2224490, 2669388, 3336735, 4004082, 4448980, 6673470, 8008164, 10010205, 13346940, 20020410, 40040820]

約数ペア:

[(1, 40040820), (2, 20020410), (3, 13346940), (4, 10010205), (5, 8008164), (6, 6673470), (9, 4448980), (10, 4004082), (12, 3336735), (15, 2669388), (18, 2224490), (20, 2002041), (30, 1334694), (36, 1112245), (45, 889796), (60, 667347), (90, 444898), (180, 222449), (181, 221220), (362, 110610), (543, 73740), (724, 55305), (905, 44244), (1086, 36870), (1229, 32580), (1629, 24580), (1810, 22122), (2172, 18435), (2458, 16290), (2715, 14748), (3258, 12290), (3620, 11061), (3687, 10860), (4916, 8145), (5430, 7374), (6145, 6516)]