71381520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{4721}}^1$

素因数の和:4750

約数の個数: 160

約数和(自身を含む): 281053440

約数和(自身を除く): 209671920

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, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 4721, 5040, 7560, 9442, 14163, 15120, 18884, 23605, 28326, 33047, 37768, 42489, 47210, 56652, 66094, 70815, 75536, 84978, 94420, 99141, 113304, 127467, 132188, 141630, 165235, 169956, 188840, 198282, 212445, 226608, 254934, 264376, 283260, 297423, 330470, 339912, 377680, 396564, 424890, 495705, 509868, 528752, 566520, 594846, 637335, 660940, 679824, 793128, 849780, 892269, 991410, 1019736, 1133040, 1189692, 1274670, 1321880, 1487115, 1586256, 1699560, 1784538, 1982820, 2039472, 2379384, 2549340, 2643760, 2974230, 3399120, 3569076, 3965640, 4461345, 4758768, 5098680, 5948460, 7138152, 7931280, 8922690, 10197360, 11896920, 14276304, 17845380, 23793840, 35690760, 71381520]

約数ペア:

[(1, 71381520), (2, 35690760), (3, 23793840), (4, 17845380), (5, 14276304), (6, 11896920), (7, 10197360), (8, 8922690), (9, 7931280), (10, 7138152), (12, 5948460), (14, 5098680), (15, 4758768), (16, 4461345), (18, 3965640), (20, 3569076), (21, 3399120), (24, 2974230), (27, 2643760), (28, 2549340), (30, 2379384), (35, 2039472), (36, 1982820), (40, 1784538), (42, 1699560), (45, 1586256), (48, 1487115), (54, 1321880), (56, 1274670), (60, 1189692), (63, 1133040), (70, 1019736), (72, 991410), (80, 892269), (84, 849780), (90, 793128), (105, 679824), (108, 660940), (112, 637335), (120, 594846), (126, 566520), (135, 528752), (140, 509868), (144, 495705), (168, 424890), (180, 396564), (189, 377680), (210, 339912), (216, 330470), (240, 297423), (252, 283260), (270, 264376), (280, 254934), (315, 226608), (336, 212445), (360, 198282), (378, 188840), (420, 169956), (432, 165235), (504, 141630), (540, 132188), (560, 127467), (630, 113304), (720, 99141), (756, 94420), (840, 84978), (945, 75536), (1008, 70815), (1080, 66094), (1260, 56652), (1512, 47210), (1680, 42489), (1890, 37768), (2160, 33047), (2520, 28326), (3024, 23605), (3780, 18884), (4721, 15120), (5040, 14163), (7560, 9442)]