1555394520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{12961621}}^1$

素因数の和:12961635

約数の個数: 32

約数和(自身を含む): 4666183920

約数和(自身を除く): 3110789400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 12961621, 25923242, 38884863, 51846484, 64808105, 77769726, 103692968, 129616210, 155539452, 194424315, 259232420, 311078904, 388848630, 518464840, 777697260, 1555394520]

約数ペア:

[(1, 1555394520), (2, 777697260), (3, 518464840), (4, 388848630), (5, 311078904), (6, 259232420), (8, 194424315), (10, 155539452), (12, 129616210), (15, 103692968), (20, 77769726), (24, 64808105), (30, 51846484), (40, 38884863), (60, 25923242), (120, 12961621)]