19972471680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:140

約数の個数: 1152

約数和(自身を含む): 88699852800

約数和(自身を除く): 68727381120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 29, 30, 31, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 58, 60, 62, 63, 64, 70, 72, 76, 80, 84, 87, 90, 93, 95, 96, 105, 112, 114, 116, 120, 124, 126, 128, 133, 140, 144, 145, 152, 155, 160, 168, 171, 174, 180, 186, 190, 192, 203, 210, 217, 224, 228, 232, 240, 248, 252, 261, 266, 279, 280, 285, 288, 290, 304, 310, 315, 320, 336, 342, 348, 360, 372, 380, 384, 399, 406, 420, 434, 435, 448, 456, 464, 465, 480, 496, 504, 522, 532, 551, 558, 560, 570, 576, 580, 589, 608, 609, 620, 630, 640, 651, 665, 672, 684, 696, 720, 744, 760, 798, 812, 840, 841, 855, 868, 870, 896, 899, 912, 928, 930, 960, 992, 1008, 1015, 1044, 1064, 1085, 1102, 1116, 1120, 1140, 1152, 1160, 1178, 1197, 1216, 1218, 1240, 1260, 1302, 1305, 1330, 1344, 1368, 1392, 1395, 1440, 1488, 1520, 1596, 1624, 1653, 1680, 1682, 1710, 1736, 1740, 1767, 1798, 1824, 1827, 1856, 1860, 1920, 1953, 1984, 1995, 2016, 2030, 2088, 2128, 2170, 2204, 2232, 2240, 2280, 2320, 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約数ペア:

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