660486540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1572587}}^1$

素因数の和:1572606

約数の個数: 48

約数和(自身を含む): 2113558272

約数和(自身を除く): 1453071732

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, 1572587, 3145174, 4717761, 6290348, 7862935, 9435522, 11008109, 15725870, 18871044, 22016218, 23588805, 31451740, 33024327, 44032436, 47177610, 55040545, 66048654, 94355220, 110081090, 132097308, 165121635, 220162180, 330243270, 660486540]

約数ペア:

[(1, 660486540), (2, 330243270), (3, 220162180), (4, 165121635), (5, 132097308), (6, 110081090), (7, 94355220), (10, 66048654), (12, 55040545), (14, 47177610), (15, 44032436), (20, 33024327), (21, 31451740), (28, 23588805), (30, 22016218), (35, 18871044), (42, 15725870), (60, 11008109), (70, 9435522), (84, 7862935), (105, 6290348), (140, 4717761), (210, 3145174), (420, 1572587)]