42720510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{203431}}^1$

素因数の和:203448

約数の個数: 32

約数和(自身を含む): 117176832

約数和(自身を除く): 74456322

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 203431, 406862, 610293, 1017155, 1220586, 1424017, 2034310, 2848034, 3051465, 4272051, 6102930, 7120085, 8544102, 14240170, 21360255, 42720510]

約数ペア:

[(1, 42720510), (2, 21360255), (3, 14240170), (5, 8544102), (6, 7120085), (7, 6102930), (10, 4272051), (14, 3051465), (15, 2848034), (21, 2034310), (30, 1424017), (35, 1220586), (42, 1017155), (70, 610293), (105, 406862), (210, 203431)]