78439440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326831}}^1$

素因数の和:326847

約数の個数: 40

約数和(自身を含む): 243163008

約数和(自身を除く): 164723568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326831, 653662, 980493, 1307324, 1634155, 1960986, 2614648, 3268310, 3921972, 4902465, 5229296, 6536620, 7843944, 9804930, 13073240, 15687888, 19609860, 26146480, 39219720, 78439440]

約数ペア:

[(1, 78439440), (2, 39219720), (3, 26146480), (4, 19609860), (5, 15687888), (6, 13073240), (8, 9804930), (10, 7843944), (12, 6536620), (15, 5229296), (16, 4902465), (20, 3921972), (24, 3268310), (30, 2614648), (40, 1960986), (48, 1634155), (60, 1307324), (80, 980493), (120, 653662), (240, 326831)]