281384880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{167491}}^1$

素因数の和:167514

約数の個数: 80

約数和(自身を含む): 996912384

約数和(自身を除く): 715527504

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, 167491, 334982, 502473, 669964, 837455, 1004946, 1172437, 1339928, 1674910, 2009892, 2344874, 2512365, 2679856, 3349820, 3517311, 4019784, 4689748, 5024730, 5862185, 6699640, 7034622, 8039568, 9379496, 10049460, 11724370, 13399280, 14069244, 17586555, 18758992, 20098920, 23448740, 28138488, 35173110, 40197840, 46897480, 56276976, 70346220, 93794960, 140692440, 281384880]

約数ペア:

[(1, 281384880), (2, 140692440), (3, 93794960), (4, 70346220), (5, 56276976), (6, 46897480), (7, 40197840), (8, 35173110), (10, 28138488), (12, 23448740), (14, 20098920), (15, 18758992), (16, 17586555), (20, 14069244), (21, 13399280), (24, 11724370), (28, 10049460), (30, 9379496), (35, 8039568), (40, 7034622), (42, 6699640), (48, 5862185), (56, 5024730), (60, 4689748), (70, 4019784), (80, 3517311), (84, 3349820), (105, 2679856), (112, 2512365), (120, 2344874), (140, 2009892), (168, 1674910), (210, 1339928), (240, 1172437), (280, 1004946), (336, 837455), (420, 669964), (560, 502473), (840, 334982), (1680, 167491)]