20791478722560

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{8191}}^1$

素因数の和:8472

約数の個数: 896

約数和(自身を含む): 82252193071104

約数和(自身を除く): 61460714348544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 227, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 454, 455, 480, 512, 520, 546, 560, 624, 640, 672, 681, 728, 768, 780, 832, 840, 896, 908, 910, 960, 1024, 1040, 1092, 1120, 1135, 1248, 1280, 1344, 1362, 1365, 1456, 1536, 1560, 1589, 1664, 1680, 1792, 1816, 1820, 1920, 2048, 2080, 2184, 2240, 2270, 2496, 2560, 2688, 2724, 2730, 2912, 2951, 3072, 3120, 3178, 3328, 3360, 3405, 3584, 3632, 3640, 3840, 4096, 4160, 4368, 4480, 4540, 4767, 4992, 5120, 5376, 5448, 5460, 5824, 5902, 6144, 6240, 6356, 6656, 6720, 6810, 7168, 7264, 7280, 7680, 7945, 8191, 8192, 8320, 8736, 8853, 8960, 9080, 9534, 9984, 10240, 10752, 10896, 10920, 11648, 11804, 12288, 12480, 12712, 13312, 13440, 13620, 14336, 14528, 14560, 14755, 15360, 15890, 16382, 16640, 17472, 17706, 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29815240, 30218240, 31453440, 31729152, 32542720, 33550336, 34074560, 35778288, 36261888, 36695680, 37187140, 39046497, 39051264, 39661440, 40889472, 41937920, 42305536, 44034816, 44624568, 44722860, 45327360, 47704384, 48343282, 48814080, 50325504, 51111840, 52061996, 52881920, 54519296, 55043520, 55780710, 58713088, 59499424, 59630480, 60436480, 62906880, 63458304, 65077495, 65085440, 67100672, 68149120, 71556576, 72514923, 72523776, 73391360, 74374280, 78092994, 79322880, 81778944, 83875840, 84611072, 88069632, 89249136, 89445720, 90654720, 95408768, 96686564, 97628160, 100651008, 102223680, 104123992, 105763840, 109038592, 110087040, 111561420, 117426176, 118998848, 119260960, 120858205, 120872960, 125813760, 126916608, 130154990, 136298240, 143113152, 145029846, 146782720, 148748560, 156185988, 158645760, 163557888, 167751680, 169201487, 169222144, 176139264, 178498272, 178891440, 181309440, 190817536, 193373128, 195232485, 195256320, 201302016, 204447360, 208247984, 211527680, 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約数ペア:

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(3931680, 5288192), (3966144, 5242240), (4067840, 5111184), (4193792, 4957680), (4259320, 4881408), (4472286, 4648960), (4532736, 4586960)]