1282703840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{728809}}^1$

素因数の和:728835

約数の個数: 48

約数和(自身を含む): 3305882160

約数和(自身を除く): 2023178320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 728809, 1457618, 2915236, 3644045, 5830472, 7288090, 8016899, 11660944, 14576180, 16033798, 23321888, 29152360, 32067596, 40084495, 58304720, 64135192, 80168990, 116609440, 128270384, 160337980, 256540768, 320675960, 641351920, 1282703840]

約数ペア:

[(1, 1282703840), (2, 641351920), (4, 320675960), (5, 256540768), (8, 160337980), (10, 128270384), (11, 116609440), (16, 80168990), (20, 64135192), (22, 58304720), (32, 40084495), (40, 32067596), (44, 29152360), (55, 23321888), (80, 16033798), (88, 14576180), (110, 11660944), (160, 8016899), (176, 7288090), (220, 5830472), (352, 3644045), (440, 2915236), (880, 1457618), (1760, 728809)]