2661560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 6842880

約数和(自身を除く): 4181320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 263, 440, 460, 506, 526, 920, 1012, 1052, 1265, 1315, 2024, 2104, 2530, 2630, 2893, 5060, 5260, 5786, 6049, 10120, 10520, 11572, 12098, 14465, 23144, 24196, 28930, 30245, 48392, 57860, 60490, 66539, 115720, 120980, 133078, 241960, 266156, 332695, 532312, 665390, 1330780, 2661560]

約数ペア:

[(1, 2661560), (2, 1330780), (4, 665390), (5, 532312), (8, 332695), (10, 266156), (11, 241960), (20, 133078), (22, 120980), (23, 115720), (40, 66539), (44, 60490), (46, 57860), (55, 48392), (88, 30245), (92, 28930), (110, 24196), (115, 23144), (184, 14465), (220, 12098), (230, 11572), (253, 10520), (263, 10120), (440, 6049), (460, 5786), (506, 5260), (526, 5060), (920, 2893), (1012, 2630), (1052, 2530), (1265, 2104), (1315, 2024)]