278364720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1159853}}^1$

素因数の和:1159869

約数の個数: 40

約数和(自身を含む): 862931376

約数和(自身を除く): 584566656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1159853, 2319706, 3479559, 4639412, 5799265, 6959118, 9278824, 11598530, 13918236, 17397795, 18557648, 23197060, 27836472, 34795590, 46394120, 55672944, 69591180, 92788240, 139182360, 278364720]

約数ペア:

[(1, 278364720), (2, 139182360), (3, 92788240), (4, 69591180), (5, 55672944), (6, 46394120), (8, 34795590), (10, 27836472), (12, 23197060), (15, 18557648), (16, 17397795), (20, 13918236), (24, 11598530), (30, 9278824), (40, 6959118), (48, 5799265), (60, 4639412), (80, 3479559), (120, 2319706), (240, 1159853)]