221559040

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{967}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 534219840

約数和(自身を除く): 312660800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 640, 716, 895, 967, 1280, 1432, 1790, 1934, 2864, 3580, 3868, 4835, 5728, 7160, 7736, 9670, 11456, 14320, 15472, 19340, 22912, 28640, 30944, 38680, 45824, 57280, 61888, 77360, 114560, 123776, 154720, 173093, 229120, 247552, 309440, 346186, 618880, 692372, 865465, 1237760, 1384744, 1730930, 2769488, 3461860, 5538976, 6923720, 11077952, 13847440, 22155904, 27694880, 44311808, 55389760, 110779520, 221559040]

約数ペア:

[(1, 221559040), (2, 110779520), (4, 55389760), (5, 44311808), (8, 27694880), (10, 22155904), (16, 13847440), (20, 11077952), (32, 6923720), (40, 5538976), (64, 3461860), (80, 2769488), (128, 1730930), (160, 1384744), (179, 1237760), (256, 865465), (320, 692372), (358, 618880), (640, 346186), (716, 309440), (895, 247552), (967, 229120), (1280, 173093), (1432, 154720), (1790, 123776), (1934, 114560), (2864, 77360), (3580, 61888), (3868, 57280), (4835, 45824), (5728, 38680), (7160, 30944), (7736, 28640), (9670, 22912), (11456, 19340), (14320, 15472)]