1280016

素因数分解:

$2^4\times 3^3\times {\mathrm{2963}}^1$

素因数の和:2980

約数の個数: 40

約数和(自身を含む): 3675360

約数和(自身を除く): 2395344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 2963, 5926, 8889, 11852, 17778, 23704, 26667, 35556, 47408, 53334, 71112, 80001, 106668, 142224, 160002, 213336, 320004, 426672, 640008, 1280016]

約数ペア:

[(1, 1280016), (2, 640008), (3, 426672), (4, 320004), (6, 213336), (8, 160002), (9, 142224), (12, 106668), (16, 80001), (18, 71112), (24, 53334), (27, 47408), (36, 35556), (48, 26667), (54, 23704), (72, 17778), (108, 11852), (144, 8889), (216, 5926), (432, 2963)]