20181491680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 384

約数和(自身を含む): 59082670080

約数和(自身を除く): 38901178400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 47, 56, 70, 79, 80, 92, 94, 112, 115, 140, 158, 160, 161, 184, 188, 211, 224, 230, 235, 280, 316, 322, 329, 368, 376, 395, 422, 460, 470, 553, 560, 632, 644, 658, 736, 752, 790, 805, 844, 920, 940, 1055, 1081, 1106, 1120, 1264, 1288, 1316, 1477, 1504, 1580, 1610, 1645, 1688, 1817, 1840, 1880, 2110, 2162, 2212, 2528, 2576, 2632, 2765, 2954, 3160, 3220, 3290, 3376, 3634, 3680, 3713, 3760, 4220, 4324, 4424, 4853, 5152, 5264, 5405, 5530, 5908, 6320, 6440, 6580, 6752, 7268, 7385, 7426, 7520, 7567, 8440, 8648, 8848, 9085, 9706, 9917, 10528, 10810, 11060, 11816, 12640, 12719, 12880, 13160, 14536, 14770, 14852, 15134, 16669, 16880, 17296, 17696, 18170, 18565, 19412, 19834, 21620, 22120, 23632, 24265, 25438, 25760, 25991, 26320, 29072, 29540, 29704, 30268, 33338, 33760, 33971, 34592, 36340, 37130, 37835, 38824, 39668, 43240, 44240, 47264, 48530, 49585, 50876, 51982, 52640, 58144, 59080, 59408, 60536, 63595, 66676, 67942, 69419, 72680, 74260, 75670, 77648, 79336, 83345, 85399, 86480, 88480, 97060, 99170, 101752, 103964, 116683, 118160, 118816, 121072, 127190, 129955, 133352, 135884, 138838, 145360, 148520, 151340, 155296, 158672, 166690, 169855, 170798, 172960, 194120, 198340, 203504, 207928, 228091, 233366, 236320, 242144, 254380, 259910, 266704, 271768, 277676, 290720, 297040, 302680, 317344, 333380, 339710, 341596, 347095, 383387, 388240, 396680, 407008, 415856, 426995, 456182, 466732, 508760, 519820, 533408, 543536, 555352, 583415, 594080, 597793, 605360, 666760, 679420, 683192, 694190, 766774, 776480, 783443, 793360, 831712, 853990, 912364, 933464, 1017520, 1039640, 1087072, 1110704, 1140455, 1166830, 1195586, 1210720, 1333520, 1358840, 1366384, 1388380, 1533548, 1566886, 1586720, 1596637, 1707980, 1824728, 1866928, 1916935, 2035040, 2079280, 2221408, 2280910, 2333660, 2391172, 2667040, 2683709, 2717680, 2732768, 2776760, 2988965, 3067096, 3133772, 3193274, 3415960, 3649456, 3733856, 3833870, 3917215, 4158560, 4561820, 4667320, 4782344, 5367418, 5435360, 5484101, 5553520, 5977930, 6134192, 6267544, 6386548, 6831920, 7298912, 7667740, 7834430, 7983185, 9123640, 9334640, 9564688, 10734836, 10968202, 11107040, 11955860, 12268384, 12535088, 12773096, 13418545, 13663840, 15335480, 15668860, 15966370, 18019189, 18247280, 18669280, 19129376, 21469672, 21936404, 23911720, 25070176, 25546192, 26837090, 27420505, 30670960, 31337720, 31932740, 36038378, 36494560, 42939344, 43872808, 47823440, 51092384, 53674180, 54841010, 61341920, 62675440, 63865480, 72076756, 85878688, 87745616, 90095945, 95646880, 107348360, 109682020, 125350880, 126134323, 127730960, 144153512, 175491232, 180191890, 214696720, 219364040, 252268646, 255461920, 288307024, 360383780, 429393440, 438728080, 504537292, 576614048, 630671615, 720767560, 877456160, 1009074584, 1261343230, 1441535120, 2018149168, 2522686460, 2883070240, 4036298336, 5045372920, 10090745840, 20181491680]

約数ペア:

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