1344640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 3525120

約数和(自身を除く): 2180480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 191, 220, 320, 352, 382, 440, 640, 704, 764, 880, 955, 1408, 1528, 1760, 1910, 2101, 3056, 3520, 3820, 4202, 6112, 7040, 7640, 8404, 10505, 12224, 15280, 16808, 21010, 24448, 30560, 33616, 42020, 61120, 67232, 84040, 122240, 134464, 168080, 268928, 336160, 672320, 1344640]

約数ペア:

[(1, 1344640), (2, 672320), (4, 336160), (5, 268928), (8, 168080), (10, 134464), (11, 122240), (16, 84040), (20, 67232), (22, 61120), (32, 42020), (40, 33616), (44, 30560), (55, 24448), (64, 21010), (80, 16808), (88, 15280), (110, 12224), (128, 10505), (160, 8404), (176, 7640), (191, 7040), (220, 6112), (320, 4202), (352, 3820), (382, 3520), (440, 3056), (640, 2101), (704, 1910), (764, 1760), (880, 1528), (955, 1408)]