71384880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42491}}^1$

素因数の和:42514

約数の個数: 80

約数和(自身を含む): 252912384

約数和(自身を除く): 181527504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42491, 84982, 127473, 169964, 212455, 254946, 297437, 339928, 424910, 509892, 594874, 637365, 679856, 849820, 892311, 1019784, 1189748, 1274730, 1487185, 1699640, 1784622, 2039568, 2379496, 2549460, 2974370, 3399280, 3569244, 4461555, 4758992, 5098920, 5948740, 7138488, 8923110, 10197840, 11897480, 14276976, 17846220, 23794960, 35692440, 71384880]

約数ペア:

[(1, 71384880), (2, 35692440), (3, 23794960), (4, 17846220), (5, 14276976), (6, 11897480), (7, 10197840), (8, 8923110), (10, 7138488), (12, 5948740), (14, 5098920), (15, 4758992), (16, 4461555), (20, 3569244), (21, 3399280), (24, 2974370), (28, 2549460), (30, 2379496), (35, 2039568), (40, 1784622), (42, 1699640), (48, 1487185), (56, 1274730), (60, 1189748), (70, 1019784), (80, 892311), (84, 849820), (105, 679856), (112, 637365), (120, 594874), (140, 509892), (168, 424910), (210, 339928), (240, 297437), (280, 254946), (336, 212455), (420, 169964), (560, 127473), (840, 84982), (1680, 42491)]