321216840

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{4721}}^1$

素因数の和:4754

約数の個数: 192

約数和(自身を含む): 1237541760

約数和(自身を除く): 916324920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4721, 4860, 5670, 6804, 7560, 8505, 9442, 9720, 11340, 13608, 14163, 17010, 18884, 22680, 23605, 28326, 33047, 34020, 37768, 42489, 47210, 56652, 66094, 68040, 70815, 84978, 94420, 99141, 113304, 127467, 132188, 141630, 165235, 169956, 188840, 198282, 212445, 254934, 264376, 283260, 297423, 330470, 339912, 382401, 396564, 424890, 495705, 509868, 566520, 594846, 637335, 660940, 764802, 793128, 849780, 892269, 991410, 1019736, 1147203, 1189692, 1274670, 1321880, 1487115, 1529604, 1699560, 1784538, 1912005, 1982820, 2294406, 2379384, 2549340, 2676807, 2974230, 3059208, 3569076, 3824010, 3965640, 4461345, 4588812, 5098680, 5353614, 5736015, 5948460, 7138152, 7648020, 8030421, 8922690, 9177624, 10707228, 11472030, 11896920, 13384035, 15296040, 16060842, 17845380, 21414456, 22944060, 26768070, 32121684, 35690760, 40152105, 45888120, 53536140, 64243368, 80304210, 107072280, 160608420, 321216840]

約数ペア:

[(1, 321216840), (2, 160608420), (3, 107072280), (4, 80304210), (5, 64243368), (6, 53536140), (7, 45888120), (8, 40152105), (9, 35690760), (10, 32121684), (12, 26768070), (14, 22944060), (15, 21414456), (18, 17845380), (20, 16060842), (21, 15296040), (24, 13384035), (27, 11896920), (28, 11472030), (30, 10707228), (35, 9177624), (36, 8922690), (40, 8030421), (42, 7648020), (45, 7138152), (54, 5948460), (56, 5736015), (60, 5353614), (63, 5098680), (70, 4588812), (72, 4461345), (81, 3965640), (84, 3824010), (90, 3569076), (105, 3059208), (108, 2974230), (120, 2676807), (126, 2549340), (135, 2379384), (140, 2294406), (162, 1982820), (168, 1912005), (180, 1784538), (189, 1699560), (210, 1529604), (216, 1487115), (243, 1321880), (252, 1274670), (270, 1189692), (280, 1147203), (315, 1019736), (324, 991410), (360, 892269), (378, 849780), (405, 793128), (420, 764802), (486, 660940), (504, 637335), (540, 594846), (567, 566520), (630, 509868), (648, 495705), (756, 424890), (810, 396564), (840, 382401), (945, 339912), (972, 330470), (1080, 297423), (1134, 283260), (1215, 264376), (1260, 254934), (1512, 212445), (1620, 198282), (1701, 188840), (1890, 169956), (1944, 165235), (2268, 141630), (2430, 132188), (2520, 127467), (2835, 113304), (3240, 99141), (3402, 94420), (3780, 84978), (4536, 70815), (4721, 68040), (4860, 66094), (5670, 56652), (6804, 47210), (7560, 42489), (8505, 37768), (9442, 34020), (9720, 33047), (11340, 28326), (13608, 23605), (14163, 22680), (17010, 18884)]