78159720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{651331}}^1$

素因数の和:651345

約数の個数: 32

約数和(自身を含む): 234479520

約数和(自身を除く): 156319800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 651331, 1302662, 1953993, 2605324, 3256655, 3907986, 5210648, 6513310, 7815972, 9769965, 13026620, 15631944, 19539930, 26053240, 39079860, 78159720]

約数ペア:

[(1, 78159720), (2, 39079860), (3, 26053240), (4, 19539930), (5, 15631944), (6, 13026620), (8, 9769965), (10, 7815972), (12, 6513310), (15, 5210648), (20, 3907986), (24, 3256655), (30, 2605324), (40, 1953993), (60, 1302662), (120, 651331)]