81681984

素因数分解:

$2^6\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 84

約数和(自身を含む): 236456220

約数和(自身を除く): 154774236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 144, 192, 218, 288, 327, 436, 576, 654, 872, 981, 1301, 1308, 1744, 1962, 2602, 2616, 3488, 3903, 3924, 5204, 5232, 6976, 7806, 7848, 10408, 10464, 11709, 15612, 15696, 20816, 20928, 23418, 31224, 31392, 41632, 46836, 62448, 62784, 83264, 93672, 124896, 141809, 187344, 249792, 283618, 374688, 425427, 567236, 749376, 850854, 1134472, 1276281, 1701708, 2268944, 2552562, 3403416, 4537888, 5105124, 6806832, 9075776, 10210248, 13613664, 20420496, 27227328, 40840992, 81681984]

約数ペア:

[(1, 81681984), (2, 40840992), (3, 27227328), (4, 20420496), (6, 13613664), (8, 10210248), (9, 9075776), (12, 6806832), (16, 5105124), (18, 4537888), (24, 3403416), (32, 2552562), (36, 2268944), (48, 1701708), (64, 1276281), (72, 1134472), (96, 850854), (109, 749376), (144, 567236), (192, 425427), (218, 374688), (288, 283618), (327, 249792), (436, 187344), (576, 141809), (654, 124896), (872, 93672), (981, 83264), (1301, 62784), (1308, 62448), (1744, 46836), (1962, 41632), (2602, 31392), (2616, 31224), (3488, 23418), (3903, 20928), (3924, 20816), (5204, 15696), (5232, 15612), (6976, 11709), (7806, 10464), (7848, 10408)]