20749659840

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:531

約数の個数: 1120

約数和(自身を含む): 95831070720

約数和(自身を除く): 75081410880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 38, 39, 40, 42, 45, 48, 52, 54, 56, 57, 60, 63, 64, 65, 70, 72, 76, 78, 80, 81, 84, 90, 91, 95, 96, 104, 105, 108, 112, 114, 117, 120, 126, 130, 133, 135, 140, 144, 152, 156, 160, 162, 168, 171, 180, 182, 189, 190, 192, 195, 208, 210, 216, 224, 228, 234, 240, 247, 252, 260, 266, 270, 273, 280, 285, 288, 304, 312, 315, 320, 324, 336, 342, 351, 360, 364, 378, 380, 390, 399, 405, 416, 420, 432, 448, 455, 456, 463, 468, 480, 494, 504, 513, 520, 532, 540, 546, 560, 567, 570, 576, 585, 608, 624, 630, 648, 665, 672, 684, 702, 720, 728, 741, 756, 760, 780, 798, 810, 819, 832, 840, 855, 864, 910, 912, 926, 936, 945, 960, 988, 1008, 1026, 1040, 1053, 1064, 1080, 1092, 1120, 1134, 1140, 1170, 1197, 1216, 1235, 1248, 1260, 1296, 1330, 1344, 1365, 1368, 1389, 1404, 1440, 1456, 1482, 1512, 1520, 1539, 1560, 1596, 1620, 1638, 1680, 1710, 1728, 1729, 1755, 1820, 1824, 1852, 1872, 1890, 1976, 1995, 2016, 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15808, 15960, 16205, 16380, 16416, 16668, 16848, 17290, 17472, 17594, 17784, 17955, 18057, 18144, 18240, 18520, 18720, 19152, 19446, 19656, 19760, 20007, 20160, 20520, 20748, 20835, 21060, 21280, 21546, 21840, 22224, 22230, 22464, 22680, 23712, 23940, 24076, 24570, 24624, 25002, 25536, 25920, 25928, 25935, 26208, 26391, 26676, 27360, 27664, 27780, 28080, 28728, 29120, 29169, 29484, 29632, 29640, 30095, 30240, 30780, 31122, 31920, 32410, 32760, 32832, 33336, 33345, 33696, 34580, 35188, 35568, 35910, 36114, 36288, 36855, 37040, 37440, 37503, 38304, 38892, 39312, 39520, 40014, 41040, 41496, 41670, 42120, 42133, 42560, 43092, 43680, 43985, 44448, 44460, 45360, 46683, 47424, 47880, 48152, 48615, 49140, 49248, 50004, 51856, 51870, 52416, 52782, 53352, 53865, 54171, 54720, 55328, 55560, 56160, 57456, 58338, 58968, 59280, 60190, 60480, 61560, 61579, 62244, 62505, 63840, 64820, 65520, 66672, 66690, 67392, 69160, 70376, 71136, 71820, 72228, 73710, 74080, 75006, 76608, 77784, 77805, 78624, 79040, 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331968, 333360, 336960, 337064, 343083, 344736, 350028, 351880, 355680, 361140, 369474, 373464, 375030, 379197, 383040, 385216, 388920, 393120, 395865, 400032, 400140, 414960, 421330, 422256, 426816, 430920, 433368, 437535, 444480, 457444, 466704, 466830, 471744, 475038, 481520, 487539, 492480, 492632, 497952, 500040, 505596, 518560, 525042, 527820, 533520, 541710, 553280, 554211, 560196, 563008, 571805, 574560, 577824, 583380, 589680, 600048, 615790, 622272, 622440, 631995, 633384, 640224, 650052, 666720, 674128, 686166, 689472, 700056, 700245, 703760, 711360, 712557, 722280, 738948, 746928, 750060, 758394, 777840, 786240, 791730, 800064, 800280, 800527, 812565, 829920, 842660, 844512, 861840, 866736, 875070, 914888, 923685, 933408, 933660, 950076, 963040, 975078, 985264, 995904, 1000080, 1011192, 1029249, 1037120, 1050084, 1055640, 1067040, 1083420, 1108422, 1120392, 1137591, 1143610, 1149120, 1155648, 1166760, 1179360, 1187595, 1200096, 1231580, 1244880, 1263990, 1266768, 1280448, 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約数ペア:

[(1, 20749659840), (2, 10374829920), (3, 6916553280), (4, 5187414960), (5, 4149931968), (6, 3458276640), (7, 2964237120), (8, 2593707480), (9, 2305517760), (10, 2074965984), (12, 1729138320), (13, 1596127680), (14, 1482118560), (15, 1383310656), (16, 1296853740), (18, 1152758880), (19, 1092087360), (20, 1037482992), (21, 988079040), (24, 864569160), (26, 798063840), (27, 768505920), (28, 741059280), (30, 691655328), (32, 648426870), (35, 592847424), (36, 576379440), (38, 546043680), (39, 532042560), (40, 518741496), (42, 494039520), (45, 461103552), (48, 432284580), (52, 399031920), (54, 384252960), (56, 370529640), (57, 364029120), (60, 345827664), (63, 329359680), (64, 324213435), (65, 319225536), (70, 296423712), (72, 288189720), (76, 273021840), (78, 266021280), (80, 259370748), (81, 256168640), (84, 247019760), (90, 230551776), (91, 228018240), (95, 218417472), (96, 216142290), (104, 199515960), (105, 197615808), (108, 192126480), (112, 185264820), (114, 182014560), (117, 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