15538920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{129491}}^1$

素因数の和:129505

約数の個数: 32

約数和(自身を含む): 46617120

約数和(自身を除く): 31078200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 129491, 258982, 388473, 517964, 647455, 776946, 1035928, 1294910, 1553892, 1942365, 2589820, 3107784, 3884730, 5179640, 7769460, 15538920]

約数ペア:

[(1, 15538920), (2, 7769460), (3, 5179640), (4, 3884730), (5, 3107784), (6, 2589820), (8, 1942365), (10, 1553892), (12, 1294910), (15, 1035928), (20, 776946), (24, 647455), (30, 517964), (40, 388473), (60, 258982), (120, 129491)]