20782471920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:693

約数の個数: 480

約数和(自身を含む): 78220707840

約数和(自身を除く): 57438235920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 109, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 218, 240, 245, 248, 280, 294, 310, 327, 336, 372, 392, 420, 434, 436, 465, 490, 496, 523, 545, 560, 588, 620, 651, 654, 735, 744, 763, 784, 840, 868, 872, 930, 980, 1046, 1085, 1090, 1176, 1240, 1302, 1308, 1470, 1488, 1519, 1526, 1569, 1635, 1680, 1736, 1744, 1860, 1960, 2092, 2170, 2180, 2289, 2352, 2480, 2604, 2615, 2616, 2940, 3038, 3052, 3138, 3255, 3270, 3379, 3472, 3661, 3720, 3815, 3920, 4184, 4340, 4360, 4557, 4578, 5208, 5230, 5232, 5341, 5880, 6076, 6104, 6276, 6510, 6540, 6758, 7322, 7440, 7595, 7630, 7845, 8368, 8680, 8720, 9114, 9156, 10137, 10416, 10460, 10682, 10983, 11445, 11760, 12152, 12208, 12552, 13020, 13080, 13516, 14644, 15190, 15260, 15690, 16023, 16213, 16895, 17360, 18228, 18305, 18312, 20274, 20920, 21364, 21966, 22785, 22890, 23653, 24304, 25104, 25627, 26040, 26160, 26705, 27032, 29288, 30380, 30520, 31380, 32046, 32426, 33790, 36456, 36610, 36624, 40548, 41840, 42728, 43932, 45570, 45780, 47306, 48639, 50685, 51254, 52080, 53410, 54064, 54915, 57007, 58576, 60760, 61040, 62760, 64092, 64852, 67580, 70959, 72912, 73220, 76881, 80115, 81065, 81096, 85456, 87864, 91140, 91560, 94612, 97278, 101370, 102508, 106820, 109830, 113491, 114014, 118265, 121520, 125520, 128135, 128184, 129704, 135160, 141918, 146440, 153762, 160230, 162130, 162192, 165571, 171021, 175728, 182280, 183120, 189224, 194556, 202740, 205016, 213640, 219660, 226982, 228028, 236530, 243195, 256270, 256368, 259408, 270320, 283836, 285035, 292880, 307524, 320460, 324260, 331142, 340473, 342042, 354795, 364560, 378448, 384405, 389112, 399049, 405480, 410032, 427280, 439320, 453964, 456056, 473060, 486390, 496713, 512540, 567455, 567672, 570070, 615048, 640920, 648520, 662284, 680946, 684084, 709590, 768810, 778224, 794437, 798098, 810960, 827855, 855105, 878640, 907928, 912112, 946120, 972780, 993426, 1025080, 1134910, 1135344, 1140140, 1197147, 1230096, 1281840, 1297040, 1324568, 1361892, 1368168, 1419180, 1537620, 1588874, 1596196, 1655710, 1702365, 1710210, 1767217, 1815856, 1892240, 1945560, 1986852, 1995245, 2050160, 2269820, 2280280, 2383311, 2394294, 2483565, 2649136, 2723784, 2736336, 2793343, 2838360, 3075240, 3177748, 3192392, 3311420, 3404730, 3420420, 3534434, 3891120, 3972185, 3973704, 3990490, 4539640, 4560560, 4766622, 4788588, 4967130, 5301651, 5447568, 5586686, 5676720, 5985735, 6150480, 6355496, 6384784, 6622840, 6809460, 6840840, 7068868, 7944370, 7947408, 7980980, 8380029, 8836085, 9079280, 9533244, 9577176, 9934260, 10603302, 11173372, 11916555, 11971470, 12370519, 12710992, 13245680, 13618920, 13681680, 13966715, 14137736, 15888740, 15961960, 16760058, 17672170, 19066488, 19154352, 19868520, 21206604, 22346744, 23833110, 23942940, 24741038, 26508255, 27237840, 27933430, 28275472, 31777480, 31923920, 33520116, 35344340, 37111557, 38132976, 39737040, 41900145, 42413208, 44693488, 47666220, 47885880, 49482076, 53016510, 55866860, 61852595, 63554960, 67040232, 70688680, 74223114, 83800290, 84826416, 86593633, 95332440, 95771760, 98964152, 106033020, 111733720, 123705190, 134080464, 141377360, 148446228, 167600580, 173187266, 185557785, 190664880, 197928304, 212066040, 223467440, 247410380, 259780899, 296892456, 335201160, 346374532, 371115570, 424132080, 432968165, 494820760, 519561798, 593784912, 670402320, 692749064, 742231140, 865936330, 989641520, 1039123596, 1298904495, 1385498128, 1484462280, 1731872660, 2078247192, 2597808990, 2968924560, 3463745320, 4156494384, 5195617980, 6927490640, 10391235960, 20782471920]

約数ペア:

[(1, 20782471920), (2, 10391235960), (3, 6927490640), (4, 5195617980), (5, 4156494384), (6, 3463745320), (7, 2968924560), (8, 2597808990), (10, 2078247192), (12, 1731872660), (14, 1484462280), (15, 1385498128), (16, 1298904495), (20, 1039123596), (21, 989641520), (24, 865936330), (28, 742231140), (30, 692749064), (31, 670402320), (35, 593784912), (40, 519561798), (42, 494820760), (48, 432968165), (49, 424132080), (56, 371115570), (60, 346374532), (62, 335201160), (70, 296892456), (80, 259780899), (84, 247410380), (93, 223467440), (98, 212066040), (105, 197928304), (109, 190664880), (112, 185557785), (120, 173187266), (124, 167600580), (140, 148446228), (147, 141377360), (155, 134080464), (168, 123705190), (186, 111733720), (196, 106033020), (210, 98964152), (217, 95771760), (218, 95332440), (240, 86593633), (245, 84826416), (248, 83800290), (280, 74223114), (294, 70688680), (310, 67040232), (327, 63554960), (336, 61852595), (372, 55866860), (392, 53016510), (420, 49482076), (434, 47885880), (436, 47666220), (465, 44693488), (490, 42413208), (496, 41900145), (523, 39737040), (545, 38132976), (560, 37111557), (588, 35344340), (620, 33520116), (651, 31923920), (654, 31777480), (735, 28275472), (744, 27933430), (763, 27237840), (784, 26508255), (840, 24741038), (868, 23942940), (872, 23833110), (930, 22346744), (980, 21206604), (1046, 19868520), (1085, 19154352), (1090, 19066488), (1176, 17672170), (1240, 16760058), (1302, 15961960), (1308, 15888740), (1470, 14137736), (1488, 13966715), (1519, 13681680), (1526, 13618920), (1569, 13245680), (1635, 12710992), (1680, 12370519), (1736, 11971470), (1744, 11916555), (1860, 11173372), (1960, 10603302), (2092, 9934260), (2170, 9577176), (2180, 9533244), (2289, 9079280), (2352, 8836085), (2480, 8380029), (2604, 7980980), (2615, 7947408), (2616, 7944370), (2940, 7068868), (3038, 6840840), (3052, 6809460), (3138, 6622840), (3255, 6384784), (3270, 6355496), (3379, 6150480), (3472, 5985735), (3661, 5676720), (3720, 5586686), (3815, 5447568), (3920, 5301651), (4184, 4967130), (4340, 4788588), (4360, 4766622), (4557, 4560560), (4578, 4539640), (5208, 3990490), (5230, 3973704), (5232, 3972185), (5341, 3891120), (5880, 3534434), (6076, 3420420), (6104, 3404730), (6276, 3311420), (6510, 3192392), (6540, 3177748), (6758, 3075240), (7322, 2838360), (7440, 2793343), (7595, 2736336), (7630, 2723784), (7845, 2649136), (8368, 2483565), (8680, 2394294), (8720, 2383311), (9114, 2280280), (9156, 2269820), (10137, 2050160), (10416, 1995245), (10460, 1986852), (10682, 1945560), (10983, 1892240), (11445, 1815856), (11760, 1767217), (12152, 1710210), (12208, 1702365), (12552, 1655710), (13020, 1596196), (13080, 1588874), (13516, 1537620), (14644, 1419180), (15190, 1368168), (15260, 1361892), (15690, 1324568), (16023, 1297040), (16213, 1281840), (16895, 1230096), (17360, 1197147), (18228, 1140140), (18305, 1135344), (18312, 1134910), (20274, 1025080), (20920, 993426), (21364, 972780), (21966, 946120), (22785, 912112), (22890, 907928), (23653, 878640), (24304, 855105), (25104, 827855), (25627, 810960), (26040, 798098), (26160, 794437), (26705, 778224), (27032, 768810), (29288, 709590), (30380, 684084), (30520, 680946), (31380, 662284), (32046, 648520), (32426, 640920), (33790, 615048), (36456, 570070), (36610, 567672), (36624, 567455), (40548, 512540), (41840, 496713), (42728, 486390), (43932, 473060), (45570, 456056), (45780, 453964), (47306, 439320), (48639, 427280), (50685, 410032), (51254, 405480), (52080, 399049), (53410, 389112), (54064, 384405), (54915, 378448), (57007, 364560), (58576, 354795), (60760, 342042), (61040, 340473), (62760, 331142), (64092, 324260), (64852, 320460), (67580, 307524), (70959, 292880), (72912, 285035), (73220, 283836), (76881, 270320), (80115, 259408), (81065, 256368), (81096, 256270), (85456, 243195), (87864, 236530), (91140, 228028), (91560, 226982), (94612, 219660), (97278, 213640), (101370, 205016), (102508, 202740), (106820, 194556), (109830, 189224), (113491, 183120), (114014, 182280), (118265, 175728), (121520, 171021), (125520, 165571), (128135, 162192), (128184, 162130), (129704, 160230), (135160, 153762), (141918, 146440)]