398501280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 1434101760

約数和(自身を除く): 1035600480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 79, 80, 90, 93, 96, 113, 120, 124, 144, 155, 158, 160, 180, 186, 226, 237, 240, 248, 279, 288, 310, 316, 339, 360, 372, 395, 452, 465, 474, 480, 496, 558, 565, 620, 632, 678, 711, 720, 744, 790, 904, 930, 948, 992, 1017, 1116, 1130, 1185, 1240, 1264, 1356, 1395, 1422, 1440, 1488, 1580, 1695, 1808, 1860, 1896, 2034, 2232, 2260, 2370, 2449, 2480, 2528, 2712, 2790, 2844, 2976, 3160, 3390, 3503, 3555, 3616, 3720, 3792, 4068, 4464, 4520, 4740, 4898, 4960, 5085, 5424, 5580, 5688, 6320, 6780, 7006, 7110, 7347, 7440, 7584, 8136, 8927, 8928, 9040, 9480, 9796, 10170, 10509, 10848, 11160, 11376, 12245, 12640, 13560, 14012, 14220, 14694, 14880, 16272, 17515, 17854, 18080, 18960, 19592, 20340, 21018, 22041, 22320, 22752, 24490, 26781, 27120, 28024, 28440, 29388, 31527, 32544, 35030, 35708, 36735, 37920, 39184, 40680, 42036, 44082, 44635, 44640, 48980, 52545, 53562, 54240, 56048, 56880, 58776, 63054, 70060, 71416, 73470, 78368, 80343, 81360, 84072, 88164, 89270, 97960, 105090, 107124, 110205, 112096, 113760, 117552, 126108, 133905, 140120, 142832, 146940, 157635, 160686, 162720, 168144, 176328, 178540, 195920, 210180, 214248, 220410, 235104, 252216, 267810, 276737, 280240, 285664, 293880, 315270, 321372, 336288, 352656, 357080, 391840, 401715, 420360, 428496, 440820, 504432, 535620, 553474, 560480, 587760, 630540, 642744, 705312, 714160, 803430, 830211, 840720, 856992, 881640, 1008864, 1071240, 1106948, 1175520, 1261080, 1285488, 1383685, 1428320, 1606860, 1660422, 1681440, 1763280, 2142480, 2213896, 2490633, 2522160, 2570976, 2767370, 3213720, 3320844, 3526560, 4151055, 4284960, 4427792, 4981266, 5044320, 5534740, 6427440, 6641688, 8302110, 8855584, 9962532, 11069480, 12453165, 12854880, 13283376, 16604220, 19925064, 22138960, 24906330, 26566752, 33208440, 39850128, 44277920, 49812660, 66416880, 79700256, 99625320, 132833760, 199250640, 398501280]

約数ペア:

[(1, 398501280), (2, 199250640), (3, 132833760), (4, 99625320), (5, 79700256), (6, 66416880), (8, 49812660), (9, 44277920), (10, 39850128), (12, 33208440), (15, 26566752), (16, 24906330), (18, 22138960), (20, 19925064), (24, 16604220), (30, 13283376), (31, 12854880), (32, 12453165), (36, 11069480), (40, 9962532), (45, 8855584), (48, 8302110), (60, 6641688), (62, 6427440), (72, 5534740), (79, 5044320), (80, 4981266), (90, 4427792), (93, 4284960), (96, 4151055), (113, 3526560), (120, 3320844), (124, 3213720), (144, 2767370), (155, 2570976), (158, 2522160), (160, 2490633), (180, 2213896), (186, 2142480), (226, 1763280), (237, 1681440), (240, 1660422), (248, 1606860), (279, 1428320), (288, 1383685), (310, 1285488), (316, 1261080), (339, 1175520), (360, 1106948), (372, 1071240), (395, 1008864), (452, 881640), (465, 856992), (474, 840720), (480, 830211), (496, 803430), (558, 714160), (565, 705312), (620, 642744), (632, 630540), (678, 587760), (711, 560480), (720, 553474), (744, 535620), (790, 504432), (904, 440820), (930, 428496), (948, 420360), (992, 401715), (1017, 391840), (1116, 357080), (1130, 352656), (1185, 336288), (1240, 321372), (1264, 315270), (1356, 293880), (1395, 285664), (1422, 280240), (1440, 276737), (1488, 267810), (1580, 252216), (1695, 235104), (1808, 220410), (1860, 214248), (1896, 210180), (2034, 195920), (2232, 178540), (2260, 176328), (2370, 168144), (2449, 162720), (2480, 160686), (2528, 157635), (2712, 146940), (2790, 142832), (2844, 140120), (2976, 133905), (3160, 126108), (3390, 117552), (3503, 113760), (3555, 112096), (3616, 110205), (3720, 107124), (3792, 105090), (4068, 97960), (4464, 89270), (4520, 88164), (4740, 84072), (4898, 81360), (4960, 80343), (5085, 78368), (5424, 73470), (5580, 71416), (5688, 70060), (6320, 63054), (6780, 58776), (7006, 56880), (7110, 56048), (7347, 54240), (7440, 53562), (7584, 52545), (8136, 48980), (8927, 44640), (8928, 44635), (9040, 44082), (9480, 42036), (9796, 40680), (10170, 39184), (10509, 37920), (10848, 36735), (11160, 35708), (11376, 35030), (12245, 32544), (12640, 31527), (13560, 29388), (14012, 28440), (14220, 28024), (14694, 27120), (14880, 26781), (16272, 24490), (17515, 22752), (17854, 22320), (18080, 22041), (18960, 21018), (19592, 20340)]