27765780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66109}}^1$

素因数の和:66128

約数の個数: 48

約数和(自身を含む): 88851840

約数和(自身を除く): 61086060

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, 66109, 132218, 198327, 264436, 330545, 396654, 462763, 661090, 793308, 925526, 991635, 1322180, 1388289, 1851052, 1983270, 2313815, 2776578, 3966540, 4627630, 5553156, 6941445, 9255260, 13882890, 27765780]

約数ペア:

[(1, 27765780), (2, 13882890), (3, 9255260), (4, 6941445), (5, 5553156), (6, 4627630), (7, 3966540), (10, 2776578), (12, 2313815), (14, 1983270), (15, 1851052), (20, 1388289), (21, 1322180), (28, 991635), (30, 925526), (35, 793308), (42, 661090), (60, 462763), (70, 396654), (84, 330545), (105, 264436), (140, 198327), (210, 132218), (420, 66109)]