643020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 2059008

約数和(自身を除く): 1415988

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, 1531, 3062, 4593, 6124, 7655, 9186, 10717, 15310, 18372, 21434, 22965, 30620, 32151, 42868, 45930, 53585, 64302, 91860, 107170, 128604, 160755, 214340, 321510, 643020]

約数ペア:

[(1, 643020), (2, 321510), (3, 214340), (4, 160755), (5, 128604), (6, 107170), (7, 91860), (10, 64302), (12, 53585), (14, 45930), (15, 42868), (20, 32151), (21, 30620), (28, 22965), (30, 21434), (35, 18372), (42, 15310), (60, 10717), (70, 9186), (84, 7655), (105, 6124), (140, 4593), (210, 3062), (420, 1531)]