15562540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 37800000

約数和(自身を除く): 22237460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1249, 1780, 2492, 2498, 3115, 4996, 6230, 6245, 8743, 12460, 12490, 17486, 24980, 34972, 43715, 87430, 111161, 174860, 222322, 444644, 555805, 778127, 1111610, 1556254, 2223220, 3112508, 3890635, 7781270, 15562540]

約数ペア:

[(1, 15562540), (2, 7781270), (4, 3890635), (5, 3112508), (7, 2223220), (10, 1556254), (14, 1111610), (20, 778127), (28, 555805), (35, 444644), (70, 222322), (89, 174860), (140, 111161), (178, 87430), (356, 43715), (445, 34972), (623, 24980), (890, 17486), (1246, 12490), (1249, 12460), (1780, 8743), (2492, 6245), (2498, 6230), (3115, 4996)]