244545280

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{557}}^1$

素因数の和:599

約数の個数: 144

約数和(自身を含む): 684331200

約数和(自身を除く): 439785920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 557, 560, 640, 686, 784, 896, 980, 1114, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2228, 2240, 2744, 2785, 3136, 3430, 3899, 3920, 4456, 4480, 5488, 5570, 6272, 6860, 7798, 7840, 8912, 8960, 10976, 11140, 12544, 13720, 15596, 15680, 17824, 19495, 21952, 22280, 27293, 27440, 31192, 31360, 35648, 38990, 43904, 44560, 54586, 54880, 62384, 62720, 71296, 77980, 87808, 89120, 109172, 109760, 124768, 136465, 142592, 155960, 178240, 191051, 218344, 219520, 249536, 272930, 311920, 356480, 382102, 436688, 439040, 499072, 545860, 623840, 712960, 764204, 873376, 955255, 998144, 1091720, 1247680, 1528408, 1746752, 1910510, 2183440, 2495360, 3056816, 3493504, 3821020, 4366880, 4990720, 6113632, 6987008, 7642040, 8733760, 12227264, 15284080, 17467520, 24454528, 30568160, 34935040, 48909056, 61136320, 122272640, 244545280]

約数ペア:

[(1, 244545280), (2, 122272640), (4, 61136320), (5, 48909056), (7, 34935040), (8, 30568160), (10, 24454528), (14, 17467520), (16, 15284080), (20, 12227264), (28, 8733760), (32, 7642040), (35, 6987008), (40, 6113632), (49, 4990720), (56, 4366880), (64, 3821020), (70, 3493504), (80, 3056816), (98, 2495360), (112, 2183440), (128, 1910510), (140, 1746752), (160, 1528408), (196, 1247680), (224, 1091720), (245, 998144), (256, 955255), (280, 873376), (320, 764204), (343, 712960), (392, 623840), (448, 545860), (490, 499072), (557, 439040), (560, 436688), (640, 382102), (686, 356480), (784, 311920), (896, 272930), (980, 249536), (1114, 219520), (1120, 218344), (1280, 191051), (1372, 178240), (1568, 155960), (1715, 142592), (1792, 136465), (1960, 124768), (2228, 109760), (2240, 109172), (2744, 89120), (2785, 87808), (3136, 77980), (3430, 71296), (3899, 62720), (3920, 62384), (4456, 54880), (4480, 54586), (5488, 44560), (5570, 43904), (6272, 38990), (6860, 35648), (7798, 31360), (7840, 31192), (8912, 27440), (8960, 27293), (10976, 22280), (11140, 21952), (12544, 19495), (13720, 17824), (15596, 15680)]