140712320

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 392904000

約数和(自身を除く): 252191680

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, 280, 320, 343, 392, 448, 490, 560, 640, 641, 686, 784, 896, 980, 1120, 1282, 1372, 1568, 1715, 1960, 2240, 2564, 2744, 3136, 3205, 3430, 3920, 4480, 4487, 5128, 5488, 6272, 6410, 6860, 7840, 8974, 10256, 10976, 12820, 13720, 15680, 17948, 20512, 21952, 22435, 25640, 27440, 31360, 31409, 35896, 41024, 43904, 44870, 51280, 54880, 62818, 71792, 82048, 89740, 102560, 109760, 125636, 143584, 157045, 179480, 205120, 219520, 219863, 251272, 287168, 314090, 358960, 410240, 439726, 502544, 574336, 628180, 717920, 879452, 1005088, 1099315, 1256360, 1435840, 1758904, 2010176, 2198630, 2512720, 2871680, 3517808, 4020352, 4397260, 5025440, 7035616, 8794520, 10050880, 14071232, 17589040, 20101760, 28142464, 35178080, 70356160, 140712320]

約数ペア:

[(1, 140712320), (2, 70356160), (4, 35178080), (5, 28142464), (7, 20101760), (8, 17589040), (10, 14071232), (14, 10050880), (16, 8794520), (20, 7035616), (28, 5025440), (32, 4397260), (35, 4020352), (40, 3517808), (49, 2871680), (56, 2512720), (64, 2198630), (70, 2010176), (80, 1758904), (98, 1435840), (112, 1256360), (128, 1099315), (140, 1005088), (160, 879452), (196, 717920), (224, 628180), (245, 574336), (280, 502544), (320, 439726), (343, 410240), (392, 358960), (448, 314090), (490, 287168), (560, 251272), (640, 219863), (641, 219520), (686, 205120), (784, 179480), (896, 157045), (980, 143584), (1120, 125636), (1282, 109760), (1372, 102560), (1568, 89740), (1715, 82048), (1960, 71792), (2240, 62818), (2564, 54880), (2744, 51280), (3136, 44870), (3205, 43904), (3430, 41024), (3920, 35896), (4480, 31409), (4487, 31360), (5128, 27440), (5488, 25640), (6272, 22435), (6410, 21952), (6860, 20512), (7840, 17948), (8974, 15680), (10256, 13720), (10976, 12820)]