253728720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 320

約数和(自身を含む): 1014935040

約数和(自身を除く): 761206320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 97, 105, 108, 112, 120, 126, 135, 140, 144, 168, 173, 180, 189, 194, 210, 216, 240, 252, 270, 280, 291, 315, 336, 346, 360, 378, 388, 420, 432, 485, 504, 519, 540, 560, 582, 630, 679, 692, 720, 756, 776, 840, 865, 873, 945, 970, 1008, 1038, 1080, 1164, 1211, 1260, 1358, 1384, 1455, 1512, 1552, 1557, 1680, 1730, 1746, 1890, 1940, 2037, 2076, 2160, 2328, 2422, 2520, 2595, 2619, 2716, 2768, 2910, 3024, 3114, 3395, 3460, 3492, 3633, 3780, 3880, 4074, 4152, 4365, 4656, 4671, 4844, 5040, 5190, 5238, 5432, 5820, 6055, 6111, 6228, 6790, 6920, 6984, 7266, 7560, 7760, 7785, 8148, 8304, 8730, 9342, 9688, 10185, 10380, 10476, 10864, 10899, 11640, 12110, 12222, 12456, 13095, 13580, 13840, 13968, 14532, 15120, 15570, 16296, 16781, 17460, 18165, 18333, 18684, 19376, 20370, 20760, 20952, 21798, 23280, 23355, 24220, 24444, 24912, 26190, 27160, 29064, 30555, 31140, 32592, 32697, 33562, 34920, 36330, 36666, 37368, 40740, 41520, 41904, 43596, 46710, 48440, 48888, 50343, 52380, 54320, 54495, 58128, 61110, 62280, 65394, 67124, 69840, 72660, 73332, 74736, 81480, 83905, 87192, 91665, 93420, 96880, 97776, 100686, 104760, 108990, 117467, 122220, 124560, 130788, 134248, 145320, 146664, 151029, 162960, 163485, 167810, 174384, 183330, 186840, 201372, 209520, 217980, 234934, 244440, 251715, 261576, 268496, 290640, 293328, 302058, 326970, 335620, 352401, 366660, 373680, 402744, 435960, 453087, 469868, 488880, 503430, 523152, 587335, 604116, 653940, 671240, 704802, 733320, 755145, 805488, 871920, 906174, 939736, 1006860, 1057203, 1174670, 1208232, 1307880, 1342480, 1409604, 1466640, 1510290, 1762005, 1812348, 1879472, 2013720, 2114406, 2265435, 2349340, 2416464, 2615760, 2819208, 3020580, 3171609, 3524010, 3624696, 4027440, 4228812, 4530870, 4698680, 5286015, 5638416, 6041160, 6343218, 7048020, 7249392, 8457624, 9061740, 9397360, 10572030, 12082320, 12686436, 14096040, 15858045, 16915248, 18123480, 21144060, 25372872, 28192080, 31716090, 36246960, 42288120, 50745744, 63432180, 84576240, 126864360, 253728720]

約数ペア:

[(1, 253728720), (2, 126864360), (3, 84576240), (4, 63432180), (5, 50745744), (6, 42288120), (7, 36246960), (8, 31716090), (9, 28192080), (10, 25372872), (12, 21144060), (14, 18123480), (15, 16915248), (16, 15858045), (18, 14096040), (20, 12686436), (21, 12082320), (24, 10572030), (27, 9397360), (28, 9061740), (30, 8457624), (35, 7249392), (36, 7048020), (40, 6343218), (42, 6041160), (45, 5638416), (48, 5286015), (54, 4698680), (56, 4530870), (60, 4228812), (63, 4027440), (70, 3624696), (72, 3524010), (80, 3171609), (84, 3020580), (90, 2819208), (97, 2615760), (105, 2416464), (108, 2349340), (112, 2265435), (120, 2114406), (126, 2013720), (135, 1879472), (140, 1812348), (144, 1762005), (168, 1510290), (173, 1466640), (180, 1409604), (189, 1342480), (194, 1307880), (210, 1208232), (216, 1174670), (240, 1057203), (252, 1006860), (270, 939736), (280, 906174), (291, 871920), (315, 805488), (336, 755145), (346, 733320), (360, 704802), (378, 671240), (388, 653940), (420, 604116), (432, 587335), (485, 523152), (504, 503430), (519, 488880), (540, 469868), (560, 453087), (582, 435960), (630, 402744), (679, 373680), (692, 366660), (720, 352401), (756, 335620), (776, 326970), (840, 302058), (865, 293328), (873, 290640), (945, 268496), (970, 261576), (1008, 251715), (1038, 244440), (1080, 234934), (1164, 217980), (1211, 209520), (1260, 201372), (1358, 186840), (1384, 183330), (1455, 174384), (1512, 167810), (1552, 163485), (1557, 162960), (1680, 151029), (1730, 146664), (1746, 145320), (1890, 134248), (1940, 130788), (2037, 124560), (2076, 122220), (2160, 117467), (2328, 108990), (2422, 104760), (2520, 100686), (2595, 97776), (2619, 96880), (2716, 93420), (2768, 91665), (2910, 87192), (3024, 83905), (3114, 81480), (3395, 74736), (3460, 73332), (3492, 72660), (3633, 69840), (3780, 67124), (3880, 65394), (4074, 62280), (4152, 61110), (4365, 58128), (4656, 54495), (4671, 54320), (4844, 52380), (5040, 50343), (5190, 48888), (5238, 48440), (5432, 46710), (5820, 43596), (6055, 41904), (6111, 41520), (6228, 40740), (6790, 37368), (6920, 36666), (6984, 36330), (7266, 34920), (7560, 33562), (7760, 32697), (7785, 32592), (8148, 31140), (8304, 30555), (8730, 29064), (9342, 27160), (9688, 26190), (10185, 24912), (10380, 24444), (10476, 24220), (10864, 23355), (10899, 23280), (11640, 21798), (12110, 20952), (12222, 20760), (12456, 20370), (13095, 19376), (13580, 18684), (13840, 18333), (13968, 18165), (14532, 17460), (15120, 16781), (15570, 16296)]