20179810560

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 1152

約数和(自身を含む): 87029268480

約数和(自身を除く): 66849457920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 43, 48, 51, 52, 56, 60, 64, 65, 68, 70, 78, 79, 80, 84, 85, 86, 91, 96, 102, 104, 105, 112, 119, 120, 128, 129, 130, 136, 140, 156, 158, 160, 168, 170, 172, 182, 192, 195, 204, 208, 210, 215, 221, 224, 237, 238, 240, 255, 256, 258, 260, 272, 273, 280, 301, 312, 316, 320, 336, 340, 344, 357, 364, 384, 390, 395, 408, 416, 420, 430, 442, 448, 455, 474, 476, 480, 510, 516, 520, 544, 546, 553, 559, 560, 595, 602, 624, 632, 640, 645, 663, 672, 680, 688, 714, 728, 731, 768, 780, 790, 816, 832, 840, 860, 884, 896, 903, 910, 948, 952, 960, 1020, 1027, 1032, 1040, 1088, 1092, 1105, 1106, 1118, 1120, 1185, 1190, 1204, 1248, 1264, 1280, 1290, 1326, 1343, 1344, 1360, 1365, 1376, 1428, 1456, 1462, 1505, 1547, 1560, 1580, 1632, 1659, 1664, 1677, 1680, 1720, 1768, 1785, 1792, 1806, 1820, 1896, 1904, 1920, 2040, 2054, 2064, 2080, 2176, 2184, 2193, 2210, 2212, 2236, 2240, 2370, 2380, 2408, 2496, 2528, 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約数ペア:

[(1, 20179810560), (2, 10089905280), (3, 6726603520), (4, 5044952640), (5, 4035962112), (6, 3363301760), (7, 2882830080), (8, 2522476320), (10, 2017981056), (12, 1681650880), (13, 1552293120), (14, 1441415040), (15, 1345320704), (16, 1261238160), (17, 1187047680), (20, 1008990528), (21, 960943360), (24, 840825440), (26, 776146560), (28, 720707520), (30, 672660352), (32, 630619080), (34, 593523840), (35, 576566016), (39, 517431040), (40, 504495264), (42, 480471680), (43, 469297920), (48, 420412720), (51, 395682560), (52, 388073280), (56, 360353760), (60, 336330176), (64, 315309540), (65, 310458624), (68, 296761920), (70, 288283008), (78, 258715520), (79, 255440640), (80, 252247632), (84, 240235840), (85, 237409536), (86, 234648960), (91, 221756160), (96, 210206360), (102, 197841280), (104, 194036640), (105, 192188672), (112, 180176880), (119, 169578240), (120, 168165088), (128, 157654770), (129, 156432640), (130, 155229312), (136, 148380960), (140, 144141504), (156, 129357760), (158, 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