65985780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157109}}^1$

素因数の和:157128

約数の個数: 48

約数和(自身を含む): 211155840

約数和(自身を除く): 145170060

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, 157109, 314218, 471327, 628436, 785545, 942654, 1099763, 1571090, 1885308, 2199526, 2356635, 3142180, 3299289, 4399052, 4713270, 5498815, 6598578, 9426540, 10997630, 13197156, 16496445, 21995260, 32992890, 65985780]

約数ペア:

[(1, 65985780), (2, 32992890), (3, 21995260), (4, 16496445), (5, 13197156), (6, 10997630), (7, 9426540), (10, 6598578), (12, 5498815), (14, 4713270), (15, 4399052), (20, 3299289), (21, 3142180), (28, 2356635), (30, 2199526), (35, 1885308), (42, 1571090), (60, 1099763), (70, 942654), (84, 785545), (105, 628436), (140, 471327), (210, 314218), (420, 157109)]