19821634560

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 1056

約数和(自身を含む): 87982352640

約数和(自身を除く): 68160718080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 29, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 58, 60, 63, 64, 65, 70, 72, 78, 80, 84, 87, 90, 91, 96, 104, 105, 112, 116, 117, 120, 126, 128, 130, 140, 144, 145, 156, 160, 163, 168, 174, 180, 182, 192, 195, 203, 208, 210, 224, 232, 234, 240, 252, 256, 260, 261, 273, 280, 288, 290, 312, 315, 320, 326, 336, 348, 360, 364, 377, 384, 390, 406, 416, 420, 435, 448, 455, 464, 468, 480, 489, 504, 512, 520, 522, 546, 560, 576, 580, 585, 609, 624, 630, 640, 652, 672, 696, 720, 728, 754, 768, 780, 812, 815, 819, 832, 840, 870, 896, 910, 928, 936, 960, 978, 1008, 1015, 1024, 1040, 1044, 1092, 1120, 1131, 1141, 1152, 1160, 1170, 1218, 1248, 1260, 1280, 1304, 1305, 1344, 1365, 1392, 1440, 1456, 1467, 1508, 1536, 1560, 1624, 1630, 1638, 1664, 1680, 1740, 1792, 1820, 1827, 1856, 1872, 1885, 1920, 1956, 2016, 2030, 2080, 2088, 2119, 2184, 2240, 2262, 2282, 2304, 2320, 2340, 2436, 2445, 2496, 2520, 2560, 2608, 2610, 2639, 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389760, 397068, 406848, 410760, 417280, 419328, 422240, 425430, 430157, 434304, 438144, 444990, 445440, 453792, 465920, 467712, 469440, 474656, 475020, 482560, 491608, 496335, 500736, 506688, 508560, 519680, 524160, 529424, 533988, 542464, 542880, 547680, 553059, 567240, 579072, 584192, 584640, 593320, 595602, 599040, 605056, 610272, 614510, 623616, 625920, 633360, 657216, 661780, 667485, 668160, 675584, 678080, 680688, 698880, 711984, 723840, 730240, 737412, 751104, 756320, 760032, 762840, 779520, 794136, 813696, 821520, 834560, 838656, 844480, 850860, 860314, 868608, 876288, 889980, 907584, 921765, 935424, 938880, 949312, 950040, 965120, 983216, 992670, 1013376, 1017120, 1039360, 1048320, 1058848, 1067976, 1084928, 1085760, 1095360, 1106118, 1134480, 1158144, 1168384, 1169280, 1186640, 1191204, 1210112, 1220544, 1229020, 1251840, 1266720, 1290471, 1314432, 1323560, 1334970, 1336320, 1351168, 1356160, 1361376, 1397760, 1423968, 1447680, 1460480, 1474824, 1489005, 1502208, 1512640, 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2477704320, 2831662080, 3303605760, 3964326912, 4955408640, 6607211520, 9910817280, 19821634560]

約数ペア:

[(1, 19821634560), (2, 9910817280), (3, 6607211520), (4, 4955408640), (5, 3964326912), (6, 3303605760), (7, 2831662080), (8, 2477704320), (9, 2202403840), (10, 1982163456), (12, 1651802880), (13, 1524741120), (14, 1415831040), (15, 1321442304), (16, 1238852160), (18, 1101201920), (20, 991081728), (21, 943887360), (24, 825901440), (26, 762370560), (28, 707915520), (29, 683504640), (30, 660721152), (32, 619426080), (35, 566332416), (36, 550600960), (39, 508247040), (40, 495540864), (42, 471943680), (45, 440480768), (48, 412950720), (52, 381185280), (56, 353957760), (58, 341752320), (60, 330360576), (63, 314629120), (64, 309713040), (65, 304948224), (70, 283166208), (72, 275300480), (78, 254123520), (80, 247770432), (84, 235971840), (87, 227834880), (90, 220240384), (91, 217820160), (96, 206475360), (104, 190592640), (105, 188777472), (112, 176978880), (116, 170876160), (117, 169415680), (120, 165180288), (126, 157314560), (128, 154856520), (130, 152474112), (140, 141583104), (144, 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