13780020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 38848320

約数和(自身を除く): 25068300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1409, 1630, 1956, 2445, 2818, 3260, 4227, 4890, 5636, 7045, 8454, 9780, 14090, 16908, 21135, 28180, 42270, 84540, 229667, 459334, 689001, 918668, 1148335, 1378002, 2296670, 2756004, 3445005, 4593340, 6890010, 13780020]

約数ペア:

[(1, 13780020), (2, 6890010), (3, 4593340), (4, 3445005), (5, 2756004), (6, 2296670), (10, 1378002), (12, 1148335), (15, 918668), (20, 689001), (30, 459334), (60, 229667), (163, 84540), (326, 42270), (489, 28180), (652, 21135), (815, 16908), (978, 14090), (1409, 9780), (1630, 8454), (1956, 7045), (2445, 5636), (2818, 4890), (3260, 4227)]