45780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 147840

約数和(自身を除く): 102060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 2180, 2289, 3052, 3270, 3815, 4578, 6540, 7630, 9156, 11445, 15260, 22890, 45780]

約数ペア:

[(1, 45780), (2, 22890), (3, 15260), (4, 11445), (5, 9156), (6, 7630), (7, 6540), (10, 4578), (12, 3815), (14, 3270), (15, 3052), (20, 2289), (21, 2180), (28, 1635), (30, 1526), (35, 1308), (42, 1090), (60, 763), (70, 654), (84, 545), (105, 436), (109, 420), (140, 327), (210, 218)]