254297640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2119147}}^1$

素因数の和:2119161

約数の個数: 32

約数和(自身を含む): 762893280

約数和(自身を除く): 508595640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2119147, 4238294, 6357441, 8476588, 10595735, 12714882, 16953176, 21191470, 25429764, 31787205, 42382940, 50859528, 63574410, 84765880, 127148820, 254297640]

約数ペア:

[(1, 254297640), (2, 127148820), (3, 84765880), (4, 63574410), (5, 50859528), (6, 42382940), (8, 31787205), (10, 25429764), (12, 21191470), (15, 16953176), (20, 12714882), (24, 10595735), (30, 8476588), (40, 6357441), (60, 4238294), (120, 2119147)]