164959440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{687331}}^1$

素因数の和:687347

約数の個数: 40

約数和(自身を含む): 511375008

約数和(自身を除く): 346415568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 687331, 1374662, 2061993, 2749324, 3436655, 4123986, 5498648, 6873310, 8247972, 10309965, 10997296, 13746620, 16495944, 20619930, 27493240, 32991888, 41239860, 54986480, 82479720, 164959440]

約数ペア:

[(1, 164959440), (2, 82479720), (3, 54986480), (4, 41239860), (5, 32991888), (6, 27493240), (8, 20619930), (10, 16495944), (12, 13746620), (15, 10997296), (16, 10309965), (20, 8247972), (24, 6873310), (30, 5498648), (40, 4123986), (48, 3436655), (60, 2749324), (80, 2061993), (120, 1374662), (240, 687331)]