81358080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21187}}^1$

素因数の和:21211

約数の個数: 72

約数和(自身を含む): 259849632

約数和(自身を除く): 178491552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21187, 42374, 63561, 84748, 105935, 127122, 169496, 211870, 254244, 317805, 338992, 423740, 508488, 635610, 677984, 847480, 1016976, 1271220, 1355968, 1694960, 2033952, 2542440, 2711936, 3389920, 4067904, 5084880, 5423872, 6779840, 8135808, 10169760, 13559680, 16271616, 20339520, 27119360, 40679040, 81358080]

約数ペア:

[(1, 81358080), (2, 40679040), (3, 27119360), (4, 20339520), (5, 16271616), (6, 13559680), (8, 10169760), (10, 8135808), (12, 6779840), (15, 5423872), (16, 5084880), (20, 4067904), (24, 3389920), (30, 2711936), (32, 2542440), (40, 2033952), (48, 1694960), (60, 1355968), (64, 1271220), (80, 1016976), (96, 847480), (120, 677984), (128, 635610), (160, 508488), (192, 423740), (240, 338992), (256, 317805), (320, 254244), (384, 211870), (480, 169496), (640, 127122), (768, 105935), (960, 84748), (1280, 63561), (1920, 42374), (3840, 21187)]