664860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1583}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 2128896

約数和(自身を除く): 1464036

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, 1583, 3166, 4749, 6332, 7915, 9498, 11081, 15830, 18996, 22162, 23745, 31660, 33243, 44324, 47490, 55405, 66486, 94980, 110810, 132972, 166215, 221620, 332430, 664860]

約数ペア:

[(1, 664860), (2, 332430), (3, 221620), (4, 166215), (5, 132972), (6, 110810), (7, 94980), (10, 66486), (12, 55405), (14, 47490), (15, 44324), (20, 33243), (21, 31660), (28, 23745), (30, 22162), (35, 18996), (42, 15830), (60, 11081), (70, 9498), (84, 7915), (105, 6332), (140, 4749), (210, 3166), (420, 1583)]