1291278080

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5227}}^1$

素因数の和:5441

約数の個数: 72

約数和(自身を含む): 3109635312

約数和(自身を除く): 1818357232

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, 5227, 6176, 7720, 10454, 12352, 15440, 20908, 24704, 26135, 30880, 41816, 49408, 52270, 61760, 83632, 104540, 123520, 167264, 209080, 247040, 334528, 418160, 669056, 836320, 1008811, 1338112, 1672640, 2017622, 3345280, 4035244, 5044055, 6690560, 8070488, 10088110, 16140976, 20176220, 32281952, 40352440, 64563904, 80704880, 129127808, 161409760, 258255616, 322819520, 645639040, 1291278080]

約数ペア:

[(1, 1291278080), (2, 645639040), (4, 322819520), (5, 258255616), (8, 161409760), (10, 129127808), (16, 80704880), (20, 64563904), (32, 40352440), (40, 32281952), (64, 20176220), (80, 16140976), (128, 10088110), (160, 8070488), (193, 6690560), (256, 5044055), (320, 4035244), (386, 3345280), (640, 2017622), (772, 1672640), (965, 1338112), (1280, 1008811), (1544, 836320), (1930, 669056), (3088, 418160), (3860, 334528), (5227, 247040), (6176, 209080), (7720, 167264), (10454, 123520), (12352, 104540), (15440, 83632), (20908, 61760), (24704, 52270), (26135, 49408), (30880, 41816)]