13579620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 24885660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2543, 2670, 5086, 5340, 7629, 10172, 12715, 15258, 25430, 30516, 38145, 50860, 76290, 152580, 226327, 452654, 678981, 905308, 1131635, 1357962, 2263270, 2715924, 3394905, 4526540, 6789810, 13579620]

約数ペア:

[(1, 13579620), (2, 6789810), (3, 4526540), (4, 3394905), (5, 2715924), (6, 2263270), (10, 1357962), (12, 1131635), (15, 905308), (20, 678981), (30, 452654), (60, 226327), (89, 152580), (178, 76290), (267, 50860), (356, 38145), (445, 30516), (534, 25430), (890, 15258), (1068, 12715), (1335, 10172), (1780, 7629), (2543, 5340), (2670, 5086)]