664833540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1582937}}^1$

素因数の和:1582956

約数の個数: 48

約数和(自身を含む): 2127468672

約数和(自身を除く): 1462635132

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, 1582937, 3165874, 4748811, 6331748, 7914685, 9497622, 11080559, 15829370, 18995244, 22161118, 23744055, 31658740, 33241677, 44322236, 47488110, 55402795, 66483354, 94976220, 110805590, 132966708, 166208385, 221611180, 332416770, 664833540]

約数ペア:

[(1, 664833540), (2, 332416770), (3, 221611180), (4, 166208385), (5, 132966708), (6, 110805590), (7, 94976220), (10, 66483354), (12, 55402795), (14, 47488110), (15, 44322236), (20, 33241677), (21, 31658740), (28, 23744055), (30, 22161118), (35, 18995244), (42, 15829370), (60, 11080559), (70, 9497622), (84, 7914685), (105, 6331748), (140, 4748811), (210, 3165874), (420, 1582937)]