68881720

素因数分解:

$2^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2293}}^1$

素因数の和:3055

約数の個数: 32

約数和(自身を含む): 155257920

約数和(自身を除く): 86376200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 751, 1502, 2293, 3004, 3755, 4586, 6008, 7510, 9172, 11465, 15020, 18344, 22930, 30040, 45860, 91720, 1722043, 3444086, 6888172, 8610215, 13776344, 17220430, 34440860, 68881720]

約数ペア:

[(1, 68881720), (2, 34440860), (4, 17220430), (5, 13776344), (8, 8610215), (10, 6888172), (20, 3444086), (40, 1722043), (751, 91720), (1502, 45860), (2293, 30040), (3004, 22930), (3755, 18344), (4586, 15020), (6008, 11465), (7510, 9172)]