12645780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30109}}^1$

素因数の和:30128

約数の個数: 48

約数和(自身を含む): 40467840

約数和(自身を除く): 27822060

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, 30109, 60218, 90327, 120436, 150545, 180654, 210763, 301090, 361308, 421526, 451635, 602180, 632289, 843052, 903270, 1053815, 1264578, 1806540, 2107630, 2529156, 3161445, 4215260, 6322890, 12645780]

約数ペア:

[(1, 12645780), (2, 6322890), (3, 4215260), (4, 3161445), (5, 2529156), (6, 2107630), (7, 1806540), (10, 1264578), (12, 1053815), (14, 903270), (15, 843052), (20, 632289), (21, 602180), (28, 451635), (30, 421526), (35, 361308), (42, 301090), (60, 210763), (70, 180654), (84, 150545), (105, 120436), (140, 90327), (210, 60218), (420, 30109)]