81416160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 288

約数和(自身を含む): 326918592

約数和(自身を除く): 245502432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 96, 105, 112, 120, 123, 126, 140, 144, 160, 164, 168, 180, 197, 205, 210, 224, 240, 246, 252, 280, 287, 288, 315, 328, 336, 360, 369, 394, 410, 420, 480, 492, 504, 560, 574, 591, 615, 630, 656, 672, 720, 738, 788, 820, 840, 861, 984, 985, 1008, 1120, 1148, 1182, 1230, 1260, 1312, 1379, 1435, 1440, 1476, 1576, 1640, 1680, 1722, 1773, 1845, 1968, 1970, 2016, 2296, 2364, 2460, 2520, 2583, 2758, 2870, 2952, 2955, 3152, 3280, 3360, 3444, 3546, 3690, 3936, 3940, 4137, 4305, 4592, 4728, 4920, 5040, 5166, 5516, 5740, 5904, 5910, 6304, 6560, 6888, 6895, 7092, 7380, 7880, 8077, 8274, 8610, 8865, 9184, 9456, 9840, 10080, 10332, 11032, 11480, 11808, 11820, 12411, 12915, 13776, 13790, 14184, 14760, 15760, 16154, 16548, 17220, 17730, 18912, 19680, 20664, 20685, 22064, 22960, 23640, 24231, 24822, 25830, 27552, 27580, 28368, 29520, 31520, 32308, 33096, 34440, 35460, 40385, 41328, 41370, 44128, 45920, 47280, 48462, 49644, 51660, 55160, 56539, 56736, 59040, 62055, 64616, 66192, 68880, 70920, 72693, 80770, 82656, 82740, 94560, 96924, 99288, 103320, 110320, 113078, 121155, 124110, 129232, 132384, 137760, 141840, 145386, 161540, 165480, 169617, 193848, 198576, 206640, 220640, 226156, 242310, 248220, 258464, 282695, 283680, 290772, 323080, 330960, 339234, 363465, 387696, 397152, 413280, 452312, 484620, 496440, 508851, 565390, 581544, 646160, 661920, 678468, 726930, 775392, 848085, 904624, 969240, 992880, 1017702, 1130780, 1163088, 1292320, 1356936, 1453860, 1696170, 1809248, 1938480, 1985760, 2035404, 2261560, 2326176, 2544255, 2713872, 2907720, 3392340, 3876960, 4070808, 4523120, 5088510, 5427744, 5815440, 6784680, 8141616, 9046240, 10177020, 11630880, 13569360, 16283232, 20354040, 27138720, 40708080, 81416160]

約数ペア:

[(1, 81416160), (2, 40708080), (3, 27138720), (4, 20354040), (5, 16283232), (6, 13569360), (7, 11630880), (8, 10177020), (9, 9046240), (10, 8141616), (12, 6784680), (14, 5815440), (15, 5427744), (16, 5088510), (18, 4523120), (20, 4070808), (21, 3876960), (24, 3392340), (28, 2907720), (30, 2713872), (32, 2544255), (35, 2326176), (36, 2261560), (40, 2035404), (41, 1985760), (42, 1938480), (45, 1809248), (48, 1696170), (56, 1453860), (60, 1356936), (63, 1292320), (70, 1163088), (72, 1130780), (80, 1017702), (82, 992880), (84, 969240), (90, 904624), (96, 848085), (105, 775392), (112, 726930), (120, 678468), (123, 661920), (126, 646160), (140, 581544), (144, 565390), (160, 508851), (164, 496440), (168, 484620), (180, 452312), (197, 413280), (205, 397152), (210, 387696), (224, 363465), (240, 339234), (246, 330960), (252, 323080), (280, 290772), (287, 283680), (288, 282695), (315, 258464), (328, 248220), (336, 242310), (360, 226156), (369, 220640), (394, 206640), (410, 198576), (420, 193848), (480, 169617), (492, 165480), (504, 161540), (560, 145386), (574, 141840), (591, 137760), (615, 132384), (630, 129232), (656, 124110), (672, 121155), (720, 113078), (738, 110320), (788, 103320), (820, 99288), (840, 96924), (861, 94560), (984, 82740), (985, 82656), (1008, 80770), (1120, 72693), (1148, 70920), (1182, 68880), (1230, 66192), (1260, 64616), (1312, 62055), (1379, 59040), (1435, 56736), (1440, 56539), (1476, 55160), (1576, 51660), (1640, 49644), (1680, 48462), (1722, 47280), (1773, 45920), (1845, 44128), (1968, 41370), (1970, 41328), (2016, 40385), (2296, 35460), (2364, 34440), (2460, 33096), (2520, 32308), (2583, 31520), (2758, 29520), (2870, 28368), (2952, 27580), (2955, 27552), (3152, 25830), (3280, 24822), (3360, 24231), (3444, 23640), (3546, 22960), (3690, 22064), (3936, 20685), (3940, 20664), (4137, 19680), (4305, 18912), (4592, 17730), (4728, 17220), (4920, 16548), (5040, 16154), (5166, 15760), (5516, 14760), (5740, 14184), (5904, 13790), (5910, 13776), (6304, 12915), (6560, 12411), (6888, 11820), (6895, 11808), (7092, 11480), (7380, 11032), (7880, 10332), (8077, 10080), (8274, 9840), (8610, 9456), (8865, 9184)]