157438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1311991}}^1$

素因数の和:1312005

約数の個数: 32

約数和(自身を含む): 472317120

約数和(自身を除く): 314878200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1311991, 2623982, 3935973, 5247964, 6559955, 7871946, 10495928, 13119910, 15743892, 19679865, 26239820, 31487784, 39359730, 52479640, 78719460, 157438920]

約数ペア:

[(1, 157438920), (2, 78719460), (3, 52479640), (4, 39359730), (5, 31487784), (6, 26239820), (8, 19679865), (10, 15743892), (12, 13119910), (15, 10495928), (20, 7871946), (24, 6559955), (30, 5247964), (40, 3935973), (60, 2623982), (120, 1311991)]