265345960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2293}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 654065280

約数和(自身を除く): 388719320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 1052, 1315, 2104, 2293, 2630, 2893, 4586, 5260, 5786, 9172, 10520, 11465, 11572, 14465, 18344, 22930, 23144, 25223, 28930, 45860, 50446, 57860, 91720, 100892, 115720, 126115, 201784, 252230, 504460, 603059, 1008920, 1206118, 2412236, 3015295, 4824472, 6030590, 6633649, 12061180, 13267298, 24122360, 26534596, 33168245, 53069192, 66336490, 132672980, 265345960]

約数ペア:

[(1, 265345960), (2, 132672980), (4, 66336490), (5, 53069192), (8, 33168245), (10, 26534596), (11, 24122360), (20, 13267298), (22, 12061180), (40, 6633649), (44, 6030590), (55, 4824472), (88, 3015295), (110, 2412236), (220, 1206118), (263, 1008920), (440, 603059), (526, 504460), (1052, 252230), (1315, 201784), (2104, 126115), (2293, 115720), (2630, 100892), (2893, 91720), (4586, 57860), (5260, 50446), (5786, 45860), (9172, 28930), (10520, 25223), (11465, 23144), (11572, 22930), (14465, 18344)]