81578496

素因数分解:

$2^9\times 3^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 219298464

約数和(自身を除く): 137719968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 173, 192, 256, 307, 346, 384, 512, 519, 614, 692, 768, 921, 1038, 1228, 1384, 1536, 1842, 2076, 2456, 2768, 3684, 4152, 4912, 5536, 7368, 8304, 9824, 11072, 14736, 16608, 19648, 22144, 29472, 33216, 39296, 44288, 53111, 58944, 66432, 78592, 88576, 106222, 117888, 132864, 157184, 159333, 212444, 235776, 265728, 318666, 424888, 471552, 637332, 849776, 1274664, 1699552, 2549328, 3399104, 5098656, 6798208, 10197312, 13596416, 20394624, 27192832, 40789248, 81578496]

約数ペア:

[(1, 81578496), (2, 40789248), (3, 27192832), (4, 20394624), (6, 13596416), (8, 10197312), (12, 6798208), (16, 5098656), (24, 3399104), (32, 2549328), (48, 1699552), (64, 1274664), (96, 849776), (128, 637332), (173, 471552), (192, 424888), (256, 318666), (307, 265728), (346, 235776), (384, 212444), (512, 159333), (519, 157184), (614, 132864), (692, 117888), (768, 106222), (921, 88576), (1038, 78592), (1228, 66432), (1384, 58944), (1536, 53111), (1842, 44288), (2076, 39296), (2456, 33216), (2768, 29472), (3684, 22144), (4152, 19648), (4912, 16608), (5536, 14736), (7368, 11072), (8304, 9824)]