19681974000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 960

約数和(自身を含む): 80871073920

約数和(自身を除く): 61189099920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 25, 26, 27, 30, 36, 39, 40, 45, 46, 48, 50, 52, 53, 54, 60, 65, 69, 72, 75, 78, 80, 90, 92, 100, 104, 106, 108, 115, 117, 120, 125, 130, 135, 138, 144, 150, 156, 159, 180, 184, 195, 200, 207, 208, 212, 216, 225, 230, 234, 240, 250, 260, 265, 270, 276, 299, 300, 312, 318, 325, 345, 351, 360, 368, 375, 390, 400, 414, 424, 432, 450, 460, 468, 477, 500, 520, 529, 530, 540, 552, 575, 585, 598, 600, 621, 624, 636, 650, 675, 689, 690, 702, 720, 750, 780, 795, 828, 848, 897, 900, 920, 936, 954, 975, 1000, 1035, 1040, 1058, 1060, 1080, 1104, 1125, 1150, 1170, 1196, 1200, 1219, 1242, 1272, 1300, 1325, 1350, 1378, 1380, 1404, 1431, 1495, 1500, 1560, 1587, 1590, 1625, 1656, 1725, 1755, 1794, 1800, 1840, 1872, 1908, 1950, 2000, 2067, 2070, 2116, 2120, 2160, 2250, 2300, 2340, 2385, 2392, 2438, 2484, 2544, 2600, 2645, 2650, 2691, 2700, 2756, 2760, 2808, 2862, 2875, 2925, 2990, 3000, 3105, 3120, 3174, 3180, 3250, 3312, 3375, 3445, 3450, 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約数ペア:

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