19958901120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:168

約数の個数: 1024

約数和(自身を含む): 80372736000

約数和(自身を除く): 60413834880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 32, 36, 37, 38, 40, 45, 48, 53, 54, 57, 60, 62, 64, 72, 74, 76, 80, 90, 93, 95, 96, 106, 108, 111, 114, 120, 124, 128, 135, 144, 148, 152, 155, 159, 160, 171, 180, 185, 186, 190, 192, 212, 216, 222, 228, 240, 248, 265, 270, 279, 285, 288, 296, 304, 310, 318, 320, 333, 342, 360, 370, 372, 380, 384, 424, 432, 444, 456, 465, 477, 480, 496, 513, 530, 540, 555, 558, 570, 576, 589, 592, 608, 620, 636, 640, 666, 684, 703, 720, 740, 744, 760, 795, 837, 848, 855, 864, 888, 912, 930, 954, 960, 992, 999, 1007, 1026, 1060, 1080, 1110, 1116, 1140, 1147, 1152, 1178, 1184, 1216, 1240, 1272, 1332, 1368, 1395, 1406, 1431, 1440, 1480, 1488, 1520, 1590, 1643, 1665, 1674, 1696, 1710, 1728, 1767, 1776, 1824, 1860, 1908, 1920, 1961, 1984, 1998, 2014, 2052, 2109, 2120, 2160, 2220, 2232, 2280, 2294, 2356, 2368, 2385, 2432, 2480, 2544, 2565, 2664, 2736, 2790, 2812, 2862, 2880, 2945, 2960, 2976, 3021, 3040, 3180, 3286, 3330, 3348, 3392, 3420, 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約数ペア:

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