1330780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 3193344

約数和(自身を除く): 1862564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 263, 460, 506, 526, 1012, 1052, 1265, 1315, 2530, 2630, 2893, 5060, 5260, 5786, 6049, 11572, 12098, 14465, 24196, 28930, 30245, 57860, 60490, 66539, 120980, 133078, 266156, 332695, 665390, 1330780]

約数ペア:

[(1, 1330780), (2, 665390), (4, 332695), (5, 266156), (10, 133078), (11, 120980), (20, 66539), (22, 60490), (23, 57860), (44, 30245), (46, 28930), (55, 24196), (92, 14465), (110, 12098), (115, 11572), (220, 6049), (230, 5786), (253, 5260), (263, 5060), (460, 2893), (506, 2630), (526, 2530), (1012, 1315), (1052, 1265)]