19792880640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:147

約数の個数: 1056

約数和(自身を含む): 81544619520

約数和(自身を除く): 61751738880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 37, 38, 39, 40, 45, 47, 48, 52, 57, 60, 64, 65, 72, 74, 76, 78, 80, 90, 94, 95, 96, 104, 111, 114, 117, 120, 128, 130, 141, 144, 148, 152, 156, 160, 171, 180, 185, 188, 190, 192, 195, 208, 222, 228, 234, 235, 240, 247, 256, 260, 282, 285, 288, 296, 304, 312, 320, 333, 342, 360, 370, 376, 380, 384, 390, 416, 423, 444, 456, 468, 470, 480, 481, 494, 512, 520, 555, 564, 570, 576, 585, 592, 608, 611, 624, 640, 666, 684, 703, 705, 720, 740, 741, 752, 760, 768, 780, 832, 846, 855, 888, 893, 912, 936, 940, 960, 962, 988, 1024, 1040, 1110, 1128, 1140, 1152, 1170, 1184, 1216, 1222, 1235, 1248, 1280, 1332, 1368, 1406, 1410, 1440, 1443, 1480, 1482, 1504, 1520, 1536, 1560, 1664, 1665, 1692, 1710, 1739, 1776, 1786, 1824, 1833, 1872, 1880, 1920, 1924, 1976, 2080, 2109, 2115, 2220, 2223, 2256, 2280, 2304, 2340, 2368, 2405, 2432, 2444, 2470, 2496, 2560, 2664, 2679, 2736, 2812, 2820, 2880, 2886, 2960, 2964, 3008, 3040, 3055, 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2199208960, 2474110080, 3298813440, 3958576128, 4948220160, 6597626880, 9896440320, 19792880640]

約数ペア:

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