81855200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 152129824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 70, 80, 94, 100, 112, 140, 160, 175, 188, 200, 224, 235, 280, 311, 329, 350, 376, 400, 470, 560, 622, 658, 700, 752, 800, 940, 1120, 1175, 1244, 1316, 1400, 1504, 1555, 1645, 1880, 2177, 2350, 2488, 2632, 2800, 3110, 3290, 3760, 4354, 4700, 4976, 5264, 5600, 6220, 6580, 7520, 7775, 8225, 8708, 9400, 9952, 10528, 10885, 12440, 13160, 14617, 15550, 16450, 17416, 18800, 21770, 24880, 26320, 29234, 31100, 32900, 34832, 37600, 43540, 49760, 52640, 54425, 58468, 62200, 65800, 69664, 73085, 87080, 102319, 108850, 116936, 124400, 131600, 146170, 174160, 204638, 217700, 233872, 248800, 263200, 292340, 348320, 365425, 409276, 435400, 467744, 511595, 584680, 730850, 818552, 870800, 1023190, 1169360, 1461700, 1637104, 1741600, 2046380, 2338720, 2557975, 2923400, 3274208, 4092760, 5115950, 5846800, 8185520, 10231900, 11693600, 16371040, 20463800, 40927600, 81855200]

約数ペア:

[(1, 81855200), (2, 40927600), (4, 20463800), (5, 16371040), (7, 11693600), (8, 10231900), (10, 8185520), (14, 5846800), (16, 5115950), (20, 4092760), (25, 3274208), (28, 2923400), (32, 2557975), (35, 2338720), (40, 2046380), (47, 1741600), (50, 1637104), (56, 1461700), (70, 1169360), (80, 1023190), (94, 870800), (100, 818552), (112, 730850), (140, 584680), (160, 511595), (175, 467744), (188, 435400), (200, 409276), (224, 365425), (235, 348320), (280, 292340), (311, 263200), (329, 248800), (350, 233872), (376, 217700), (400, 204638), (470, 174160), (560, 146170), (622, 131600), (658, 124400), (700, 116936), (752, 108850), (800, 102319), (940, 87080), (1120, 73085), (1175, 69664), (1244, 65800), (1316, 62200), (1400, 58468), (1504, 54425), (1555, 52640), (1645, 49760), (1880, 43540), (2177, 37600), (2350, 34832), (2488, 32900), (2632, 31100), (2800, 29234), (3110, 26320), (3290, 24880), (3760, 21770), (4354, 18800), (4700, 17416), (4976, 16450), (5264, 15550), (5600, 14617), (6220, 13160), (6580, 12440), (7520, 10885), (7775, 10528), (8225, 9952), (8708, 9400)]