664088460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1581163}}^1$

素因数の和:1581182

約数の個数: 48

約数和(自身を含む): 2125084416

約数和(自身を除く): 1460995956

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, 1581163, 3162326, 4743489, 6324652, 7905815, 9486978, 11068141, 15811630, 18973956, 22136282, 23717445, 31623260, 33204423, 44272564, 47434890, 55340705, 66408846, 94869780, 110681410, 132817692, 166022115, 221362820, 332044230, 664088460]

約数ペア:

[(1, 664088460), (2, 332044230), (3, 221362820), (4, 166022115), (5, 132817692), (6, 110681410), (7, 94869780), (10, 66408846), (12, 55340705), (14, 47434890), (15, 44272564), (20, 33204423), (21, 31623260), (28, 23717445), (30, 22136282), (35, 18973956), (42, 15811630), (60, 11068141), (70, 9486978), (84, 7905815), (105, 6324652), (140, 4743489), (210, 3162326), (420, 1581163)]