1666383987840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{21001}}^1$

素因数の和:21081

約数の個数: 768

約数和(自身を含む): 6629178810240

約数和(自身を除く): 4962794822400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 17, 20, 22, 24, 26, 30, 32, 33, 34, 39, 40, 44, 48, 51, 52, 55, 60, 64, 65, 66, 68, 78, 80, 85, 88, 96, 102, 104, 110, 120, 128, 130, 132, 136, 143, 156, 160, 165, 170, 176, 187, 192, 195, 204, 208, 220, 221, 240, 255, 260, 264, 272, 286, 289, 312, 320, 330, 340, 352, 374, 384, 390, 408, 416, 429, 440, 442, 480, 510, 520, 528, 544, 561, 572, 578, 624, 640, 660, 663, 680, 704, 715, 748, 780, 816, 832, 858, 867, 880, 884, 935, 960, 1020, 1040, 1056, 1088, 1105, 1122, 1144, 1156, 1248, 1320, 1326, 1360, 1408, 1430, 1445, 1496, 1560, 1632, 1664, 1716, 1734, 1760, 1768, 1870, 1920, 2040, 2080, 2112, 2145, 2176, 2210, 2244, 2288, 2312, 2431, 2496, 2640, 2652, 2720, 2805, 2860, 2890, 2992, 3120, 3179, 3264, 3315, 3432, 3468, 3520, 3536, 3740, 3757, 4080, 4160, 4224, 4290, 4335, 4420, 4488, 4576, 4624, 4862, 4992, 5280, 5304, 5440, 5610, 5720, 5780, 5984, 6240, 6358, 6528, 6630, 6864, 6936, 7040, 7072, 7293, 7480, 7514, 8160, 8320, 8580, 8670, 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約数ペア:

[(1, 1666383987840), (2, 833191993920), (3, 555461329280), (4, 416595996960), (5, 333276797568), (6, 277730664640), (8, 208297998480), (10, 166638398784), (11, 151489453440), (12, 138865332320), (13, 128183383680), (15, 111092265856), (16, 104148999240), (17, 98022587520), (20, 83319199392), (22, 75744726720), (24, 69432666160), (26, 64091691840), (30, 55546132928), (32, 52074499620), (33, 50496484480), (34, 49011293760), (39, 42727794560), (40, 41659599696), (44, 37872363360), (48, 34716333080), (51, 32674195840), (52, 32045845920), (55, 30297890688), (60, 27773066464), (64, 26037249810), (65, 25636676736), (66, 25248242240), (68, 24505646880), (78, 21363897280), (80, 20829799848), (85, 19604517504), (88, 18936181680), (96, 17358166540), (102, 16337097920), (104, 16022922960), (110, 15148945344), (120, 13886533232), (128, 13018624905), (130, 12818338368), (132, 12624121120), (136, 12252823440), (143, 11653034880), (156, 10681948640), (160, 10414899924), (165, 10099296896), (170, 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(960, 1735816654), (1020, 1633709792), (1040, 1602292296), (1056, 1578015140), (1088, 1531602930), (1105, 1508039808), (1122, 1485190720), (1144, 1456629360), (1156, 1441508640), (1248, 1335243580), (1320, 1262412112), (1326, 1256699840), (1360, 1225282344), (1408, 1183511355), (1430, 1165303488), (1445, 1153206912), (1496, 1113893040), (1560, 1068194864), (1632, 1021068620), (1664, 1001432685), (1716, 971086240), (1734, 961005760), (1760, 946809084), (1768, 942524880), (1870, 891114432), (1920, 867908327), (2040, 816854896), (2080, 801146148), (2112, 789007570), (2145, 776868992), (2176, 765801465), (2210, 754019904), (2244, 742595360), (2288, 728314680), (2312, 720754320), (2431, 685472640), (2496, 667621790), (2640, 631206056), (2652, 628349920), (2720, 612641172), (2805, 594076288), (2860, 582651744), (2890, 576603456), (2992, 556946520), (3120, 534097432), (3179, 524184960), (3264, 510534310), (3315, 502679936), (3432, 485543120), (3468, 480502880), (3520, 473404542), (3536, 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