81069240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1061

約数の個数: 128

約数和(自身を含む): 280949760

約数和(自身を除く): 199880520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 937, 1030, 1236, 1442, 1545, 1874, 2060, 2163, 2472, 2811, 2884, 3090, 3605, 3748, 4120, 4326, 4685, 5622, 5768, 6180, 6559, 7210, 7496, 8652, 9370, 10815, 11244, 12360, 13118, 14055, 14420, 17304, 18740, 19677, 21630, 22488, 26236, 28110, 28840, 32795, 37480, 39354, 43260, 52472, 56220, 65590, 78708, 86520, 96511, 98385, 112440, 131180, 157416, 193022, 196770, 262360, 289533, 386044, 393540, 482555, 579066, 675577, 772088, 787080, 965110, 1158132, 1351154, 1447665, 1930220, 2026731, 2316264, 2702308, 2895330, 3377885, 3860440, 4053462, 5404616, 5790660, 6755770, 8106924, 10133655, 11581320, 13511540, 16213848, 20267310, 27023080, 40534620, 81069240]

約数ペア:

[(1, 81069240), (2, 40534620), (3, 27023080), (4, 20267310), (5, 16213848), (6, 13511540), (7, 11581320), (8, 10133655), (10, 8106924), (12, 6755770), (14, 5790660), (15, 5404616), (20, 4053462), (21, 3860440), (24, 3377885), (28, 2895330), (30, 2702308), (35, 2316264), (40, 2026731), (42, 1930220), (56, 1447665), (60, 1351154), (70, 1158132), (84, 965110), (103, 787080), (105, 772088), (120, 675577), (140, 579066), (168, 482555), (206, 393540), (210, 386044), (280, 289533), (309, 262360), (412, 196770), (420, 193022), (515, 157416), (618, 131180), (721, 112440), (824, 98385), (840, 96511), (937, 86520), (1030, 78708), (1236, 65590), (1442, 56220), (1545, 52472), (1874, 43260), (2060, 39354), (2163, 37480), (2472, 32795), (2811, 28840), (2884, 28110), (3090, 26236), (3605, 22488), (3748, 21630), (4120, 19677), (4326, 18740), (4685, 17304), (5622, 14420), (5768, 14055), (6180, 13118), (6559, 12360), (7210, 11244), (7496, 10815), (8652, 9370)]