980820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{5449}}^1$

素因数の和:5464

約数の個数: 36

約数和(自身を含む): 2975700

約数和(自身を除く): 1994880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 5449, 10898, 16347, 21796, 27245, 32694, 49041, 54490, 65388, 81735, 98082, 108980, 163470, 196164, 245205, 326940, 490410, 980820]

約数ペア:

[(1, 980820), (2, 490410), (3, 326940), (4, 245205), (5, 196164), (6, 163470), (9, 108980), (10, 98082), (12, 81735), (15, 65388), (18, 54490), (20, 49041), (30, 32694), (36, 27245), (45, 21796), (60, 16347), (90, 10898), (180, 5449)]