15678887680

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{63467}}^1$

素因数の和:63681

約数の個数: 72

約数和(自身を含む): 37751020272

約数和(自身を除く): 22072132592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 640, 772, 965, 1280, 1544, 1930, 3088, 3860, 6176, 7720, 12352, 15440, 24704, 30880, 49408, 61760, 63467, 123520, 126934, 247040, 253868, 317335, 507736, 634670, 1015472, 1269340, 2030944, 2538680, 4061888, 5077360, 8123776, 10154720, 12249131, 16247552, 20309440, 24498262, 40618880, 48996524, 61245655, 81237760, 97993048, 122491310, 195986096, 244982620, 391972192, 489965240, 783944384, 979930480, 1567888768, 1959860960, 3135777536, 3919721920, 7839443840, 15678887680]

約数ペア:

[(1, 15678887680), (2, 7839443840), (4, 3919721920), (5, 3135777536), (8, 1959860960), (10, 1567888768), (16, 979930480), (20, 783944384), (32, 489965240), (40, 391972192), (64, 244982620), (80, 195986096), (128, 122491310), (160, 97993048), (193, 81237760), (256, 61245655), (320, 48996524), (386, 40618880), (640, 24498262), (772, 20309440), (965, 16247552), (1280, 12249131), (1544, 10154720), (1930, 8123776), (3088, 5077360), (3860, 4061888), (6176, 2538680), (7720, 2030944), (12352, 1269340), (15440, 1015472), (24704, 634670), (30880, 507736), (49408, 317335), (61760, 253868), (63467, 247040), (123520, 126934)]