12400020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{22963}}^1$

素因数の和:22981

約数の個数: 48

約数和(自身を含む): 38579520

約数和(自身を除く): 26179500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 22963, 45926, 68889, 91852, 114815, 137778, 206667, 229630, 275556, 344445, 413334, 459260, 620001, 688890, 826668, 1033335, 1240002, 1377780, 2066670, 2480004, 3100005, 4133340, 6200010, 12400020]

約数ペア:

[(1, 12400020), (2, 6200010), (3, 4133340), (4, 3100005), (5, 2480004), (6, 2066670), (9, 1377780), (10, 1240002), (12, 1033335), (15, 826668), (18, 688890), (20, 620001), (27, 459260), (30, 413334), (36, 344445), (45, 275556), (54, 229630), (60, 206667), (90, 137778), (108, 114815), (135, 91852), (180, 68889), (270, 45926), (540, 22963)]