217955760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82559}}^1$

素因数の和:82586

約数の個数: 80

約数和(自身を含む): 737095680

約数和(自身を除く): 519139920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 82559, 165118, 247677, 330236, 412795, 495354, 660472, 825590, 908149, 990708, 1238385, 1320944, 1651180, 1816298, 1981416, 2476770, 2724447, 3302360, 3632596, 3962832, 4540745, 4953540, 5448894, 6604720, 7265192, 9081490, 9907080, 10897788, 13622235, 14530384, 18162980, 19814160, 21795576, 27244470, 36325960, 43591152, 54488940, 72651920, 108977880, 217955760]

約数ペア:

[(1, 217955760), (2, 108977880), (3, 72651920), (4, 54488940), (5, 43591152), (6, 36325960), (8, 27244470), (10, 21795576), (11, 19814160), (12, 18162980), (15, 14530384), (16, 13622235), (20, 10897788), (22, 9907080), (24, 9081490), (30, 7265192), (33, 6604720), (40, 5448894), (44, 4953540), (48, 4540745), (55, 3962832), (60, 3632596), (66, 3302360), (80, 2724447), (88, 2476770), (110, 1981416), (120, 1816298), (132, 1651180), (165, 1320944), (176, 1238385), (220, 990708), (240, 908149), (264, 825590), (330, 660472), (440, 495354), (528, 412795), (660, 330236), (880, 247677), (1320, 165118), (2640, 82559)]