1303720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2963}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 3201120

約数和(自身を除く): 1897400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2963, 5926, 11852, 14815, 23704, 29630, 32593, 59260, 65186, 118520, 130372, 162965, 260744, 325930, 651860, 1303720]

約数ペア:

[(1, 1303720), (2, 651860), (4, 325930), (5, 260744), (8, 162965), (10, 130372), (11, 118520), (20, 65186), (22, 59260), (40, 32593), (44, 29630), (55, 23704), (88, 14815), (110, 11852), (220, 5926), (440, 2963)]