16991019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 320

約数和(自身を含む): 49568827392

約数和(自身を除く): 32577807472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 80, 82, 85, 101, 112, 119, 136, 140, 164, 170, 202, 205, 238, 272, 280, 287, 328, 340, 404, 410, 431, 476, 505, 560, 574, 595, 656, 680, 697, 707, 808, 820, 862, 952, 1010, 1148, 1190, 1360, 1394, 1414, 1435, 1616, 1640, 1717, 1724, 1904, 2020, 2155, 2296, 2380, 2788, 2828, 2870, 3017, 3280, 3434, 3448, 3485, 3535, 4040, 4141, 4310, 4592, 4760, 4879, 5576, 5656, 5740, 6034, 6868, 6896, 6970, 7070, 7327, 8080, 8282, 8585, 8620, 9520, 9758, 11152, 11312, 11480, 12019, 12068, 13736, 13940, 14140, 14654, 15085, 16564, 17170, 17240, 17671, 19516, 20705, 22960, 24038, 24136, 24395, 27472, 27880, 28280, 28987, 29308, 30170, 33128, 34340, 34480, 35342, 36635, 39032, 41410, 43531, 48076, 48272, 48790, 51289, 55760, 56560, 57974, 58616, 60095, 60340, 66256, 68680, 70397, 70684, 73270, 78064, 82820, 87062, 88355, 96152, 97580, 102578, 115948, 117232, 120190, 120680, 123697, 137360, 140794, 141368, 144935, 146540, 165640, 174124, 176710, 192304, 195160, 205156, 217655, 231896, 240380, 241360, 247394, 256445, 281588, 282736, 289870, 293080, 300407, 304717, 331280, 348248, 351985, 353420, 390320, 410312, 435310, 463792, 480760, 492779, 494788, 512890, 563176, 579740, 586160, 600814, 609434, 618485, 696496, 703970, 706840, 740027, 820624, 870620, 961520, 985558, 989576, 1025780, 1126352, 1159480, 1201628, 1218868, 1236970, 1407940, 1413680, 1480054, 1502035, 1523585, 1741240, 1784771, 1971116, 1979152, 2051560, 2102849, 2318960, 2403256, 2437736, 2463895, 2473940, 2815880, 2960108, 3004070, 3047170, 3482480, 3569542, 3700135, 3942232, 4103120, 4205698, 4806512, 4875472, 4927790, 4947880, 5180189, 5631760, 5920216, 6008140, 6094340, 7139084, 7400270, 7884464, 8411396, 8923855, 9855580, 9895760, 10360378, 10514245, 11840432, 12016280, 12188680, 12493397, 14278168, 14800540, 16822792, 17847710, 19711160, 20720756, 21028490, 24032560, 24377360, 24986794, 25900945, 28556336, 29601080, 30341107, 33645584, 35695420, 39422320, 41441512, 42056980, 49973588, 51801890, 59202160, 60682214, 62466985, 71390840, 82883024, 84113960, 99947176, 103603780, 121364428, 124933970, 142781680, 151705535, 168227920, 199894352, 207207560, 212387749, 242728856, 249867940, 303411070, 414415120, 424775498, 485457712, 499735880, 606822140, 849550996, 999471760, 1061938745, 1213644280, 1699101992, 2123877490, 2427288560, 3398203984, 4247754980, 8495509960, 16991019920]

約数ペア:

[(1, 16991019920), (2, 8495509960), (4, 4247754980), (5, 3398203984), (7, 2427288560), (8, 2123877490), (10, 1699101992), (14, 1213644280), (16, 1061938745), (17, 999471760), (20, 849550996), (28, 606822140), (34, 499735880), (35, 485457712), (40, 424775498), (41, 414415120), (56, 303411070), (68, 249867940), (70, 242728856), (80, 212387749), (82, 207207560), (85, 199894352), (101, 168227920), (112, 151705535), (119, 142781680), (136, 124933970), (140, 121364428), (164, 103603780), (170, 99947176), (202, 84113960), (205, 82883024), (238, 71390840), (272, 62466985), (280, 60682214), (287, 59202160), (328, 51801890), (340, 49973588), (404, 42056980), (410, 41441512), (431, 39422320), (476, 35695420), (505, 33645584), (560, 30341107), (574, 29601080), (595, 28556336), (656, 25900945), (680, 24986794), (697, 24377360), (707, 24032560), (808, 21028490), (820, 20720756), (862, 19711160), (952, 17847710), (1010, 16822792), (1148, 14800540), (1190, 14278168), (1360, 12493397), (1394, 12188680), (1414, 12016280), (1435, 11840432), (1616, 10514245), (1640, 10360378), (1717, 9895760), (1724, 9855580), (1904, 8923855), (2020, 8411396), (2155, 7884464), (2296, 7400270), (2380, 7139084), (2788, 6094340), (2828, 6008140), (2870, 5920216), (3017, 5631760), (3280, 5180189), (3434, 4947880), (3448, 4927790), (3485, 4875472), (3535, 4806512), (4040, 4205698), (4141, 4103120), (4310, 3942232), (4592, 3700135), (4760, 3569542), (4879, 3482480), (5576, 3047170), (5656, 3004070), (5740, 2960108), (6034, 2815880), (6868, 2473940), (6896, 2463895), (6970, 2437736), (7070, 2403256), (7327, 2318960), (8080, 2102849), (8282, 2051560), (8585, 1979152), (8620, 1971116), (9520, 1784771), (9758, 1741240), (11152, 1523585), (11312, 1502035), (11480, 1480054), (12019, 1413680), (12068, 1407940), (13736, 1236970), (13940, 1218868), (14140, 1201628), (14654, 1159480), (15085, 1126352), (16564, 1025780), (17170, 989576), (17240, 985558), (17671, 961520), (19516, 870620), (20705, 820624), (22960, 740027), (24038, 706840), (24136, 703970), (24395, 696496), (27472, 618485), (27880, 609434), (28280, 600814), (28987, 586160), (29308, 579740), (30170, 563176), (33128, 512890), (34340, 494788), (34480, 492779), (35342, 480760), (36635, 463792), (39032, 435310), (41410, 410312), (43531, 390320), (48076, 353420), (48272, 351985), (48790, 348248), (51289, 331280), (55760, 304717), (56560, 300407), (57974, 293080), (58616, 289870), (60095, 282736), (60340, 281588), (66256, 256445), (68680, 247394), (70397, 241360), (70684, 240380), (73270, 231896), (78064, 217655), (82820, 205156), (87062, 195160), (88355, 192304), (96152, 176710), (97580, 174124), (102578, 165640), (115948, 146540), (117232, 144935), (120190, 141368), (120680, 140794), (123697, 137360)]