21979345920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 1056

約数和(自身を含む): 90729590400

約数和(自身を除く): 68750244480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 29, 30, 32, 35, 38, 40, 42, 48, 49, 53, 56, 57, 58, 60, 64, 70, 76, 80, 84, 87, 95, 96, 98, 105, 106, 112, 114, 116, 120, 128, 133, 140, 145, 147, 152, 159, 160, 168, 174, 190, 192, 196, 203, 210, 212, 224, 228, 232, 240, 245, 256, 265, 266, 280, 285, 290, 294, 304, 318, 320, 336, 348, 371, 380, 384, 392, 399, 406, 420, 424, 435, 448, 456, 464, 480, 490, 512, 530, 532, 551, 560, 570, 580, 588, 608, 609, 636, 640, 665, 672, 696, 735, 742, 760, 768, 784, 795, 798, 812, 840, 848, 870, 896, 912, 928, 931, 960, 980, 1007, 1015, 1024, 1060, 1064, 1102, 1113, 1120, 1140, 1160, 1176, 1216, 1218, 1272, 1280, 1330, 1344, 1392, 1421, 1470, 1484, 1520, 1536, 1537, 1568, 1590, 1596, 1624, 1653, 1680, 1696, 1740, 1792, 1824, 1855, 1856, 1862, 1920, 1960, 1995, 2014, 2030, 2120, 2128, 2204, 2226, 2240, 2280, 2320, 2352, 2432, 2436, 2544, 2560, 2597, 2660, 2688, 2755, 2784, 2793, 2842, 2940, 2968, 3021, 3040, 3045, 3072, 3074, 3136, 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1831612160, 2197934592, 2747418240, 3139906560, 3663224320, 4395869184, 5494836480, 7326448640, 10989672960, 21979345920]

約数ペア:

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