15564220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 22175300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1039, 1070, 1498, 2078, 2140, 2996, 3745, 4156, 5195, 7273, 7490, 10390, 14546, 14980, 20780, 29092, 36365, 72730, 111173, 145460, 222346, 444692, 555865, 778211, 1111730, 1556422, 2223460, 3112844, 3891055, 7782110, 15564220]

約数ペア:

[(1, 15564220), (2, 7782110), (4, 3891055), (5, 3112844), (7, 2223460), (10, 1556422), (14, 1111730), (20, 778211), (28, 555865), (35, 444692), (70, 222346), (107, 145460), (140, 111173), (214, 72730), (428, 36365), (535, 29092), (749, 20780), (1039, 14980), (1070, 14546), (1498, 10390), (2078, 7490), (2140, 7273), (2996, 5195), (3745, 4156)]