21454335720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47791}}^1$

素因数の和:47880

約数の個数: 192

約数和(自身を含む): 73809964800

約数和(自身を除く): 52355629080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 43, 45, 58, 60, 72, 86, 87, 90, 116, 120, 129, 145, 172, 174, 180, 215, 232, 258, 261, 290, 344, 348, 360, 387, 430, 435, 516, 522, 580, 645, 696, 774, 860, 870, 1032, 1044, 1160, 1247, 1290, 1305, 1548, 1720, 1740, 1935, 2088, 2494, 2580, 2610, 3096, 3480, 3741, 3870, 4988, 5160, 5220, 6235, 7482, 7740, 9976, 10440, 11223, 12470, 14964, 15480, 18705, 22446, 24940, 29928, 37410, 44892, 47791, 49880, 56115, 74820, 89784, 95582, 112230, 143373, 149640, 191164, 224460, 238955, 286746, 382328, 430119, 448920, 477910, 573492, 716865, 860238, 955820, 1146984, 1385939, 1433730, 1720476, 1911640, 2055013, 2150595, 2771878, 2867460, 3440952, 4110026, 4157817, 4301190, 5543756, 5734920, 6165039, 6929695, 8220052, 8315634, 8602380, 10275065, 11087512, 12330078, 12473451, 13859390, 16440104, 16631268, 17204760, 18495117, 20550130, 20789085, 24660156, 24946902, 27718780, 30825195, 33262536, 36990234, 41100260, 41578170, 49320312, 49893804, 55437560, 59595377, 61650390, 62367255, 73980468, 82200520, 83156340, 92475585, 99787608, 119190754, 123300780, 124734510, 147960936, 166312680, 178786131, 184951170, 238381508, 246601560, 249469020, 297976885, 357572262, 369902340, 476763016, 498938040, 536358393, 595953770, 715144524, 739804680, 893930655, 1072716786, 1191907540, 1430289048, 1787861310, 2145433572, 2383815080, 2681791965, 3575722620, 4290867144, 5363583930, 7151445240, 10727167860, 21454335720]

約数ペア:

[(1, 21454335720), (2, 10727167860), (3, 7151445240), (4, 5363583930), (5, 4290867144), (6, 3575722620), (8, 2681791965), (9, 2383815080), (10, 2145433572), (12, 1787861310), (15, 1430289048), (18, 1191907540), (20, 1072716786), (24, 893930655), (29, 739804680), (30, 715144524), (36, 595953770), (40, 536358393), (43, 498938040), (45, 476763016), (58, 369902340), (60, 357572262), (72, 297976885), (86, 249469020), (87, 246601560), (90, 238381508), (116, 184951170), (120, 178786131), (129, 166312680), (145, 147960936), (172, 124734510), (174, 123300780), (180, 119190754), (215, 99787608), (232, 92475585), (258, 83156340), (261, 82200520), (290, 73980468), (344, 62367255), (348, 61650390), (360, 59595377), (387, 55437560), (430, 49893804), (435, 49320312), (516, 41578170), (522, 41100260), (580, 36990234), (645, 33262536), (696, 30825195), (774, 27718780), (860, 24946902), (870, 24660156), (1032, 20789085), (1044, 20550130), (1160, 18495117), (1247, 17204760), (1290, 16631268), (1305, 16440104), (1548, 13859390), (1720, 12473451), (1740, 12330078), (1935, 11087512), (2088, 10275065), (2494, 8602380), (2580, 8315634), (2610, 8220052), (3096, 6929695), (3480, 6165039), (3741, 5734920), (3870, 5543756), (4988, 4301190), (5160, 4157817), (5220, 4110026), (6235, 3440952), (7482, 2867460), (7740, 2771878), (9976, 2150595), (10440, 2055013), (11223, 1911640), (12470, 1720476), (14964, 1433730), (15480, 1385939), (18705, 1146984), (22446, 955820), (24940, 860238), (29928, 716865), (37410, 573492), (44892, 477910), (47791, 448920), (49880, 430119), (56115, 382328), (74820, 286746), (89784, 238955), (95582, 224460), (112230, 191164), (143373, 149640)]