643905780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1533109}}^1$

素因数の和:1533128

約数の個数: 48

約数和(自身を含む): 2060499840

約数和(自身を除く): 1416594060

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, 1533109, 3066218, 4599327, 6132436, 7665545, 9198654, 10731763, 15331090, 18397308, 21463526, 22996635, 30662180, 32195289, 42927052, 45993270, 53658815, 64390578, 91986540, 107317630, 128781156, 160976445, 214635260, 321952890, 643905780]

約数ペア:

[(1, 643905780), (2, 321952890), (3, 214635260), (4, 160976445), (5, 128781156), (6, 107317630), (7, 91986540), (10, 64390578), (12, 53658815), (14, 45993270), (15, 42927052), (20, 32195289), (21, 30662180), (28, 22996635), (30, 21463526), (35, 18397308), (42, 15331090), (60, 10731763), (70, 9198654), (84, 7665545), (105, 6132436), (140, 4599327), (210, 3066218), (420, 1533109)]