13880580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{33049}}^1$

素因数の和:33068

約数の個数: 48

約数和(自身を含む): 44419200

約数和(自身を除く): 30538620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 33049, 66098, 99147, 132196, 165245, 198294, 231343, 330490, 396588, 462686, 495735, 660980, 694029, 925372, 991470, 1156715, 1388058, 1982940, 2313430, 2776116, 3470145, 4626860, 6940290, 13880580]

約数ペア:

[(1, 13880580), (2, 6940290), (3, 4626860), (4, 3470145), (5, 2776116), (6, 2313430), (7, 1982940), (10, 1388058), (12, 1156715), (14, 991470), (15, 925372), (20, 694029), (21, 660980), (28, 495735), (30, 462686), (35, 396588), (42, 330490), (60, 231343), (70, 198294), (84, 165245), (105, 132196), (140, 99147), (210, 66098), (420, 33049)]