280152320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31267}}^1$

素因数の和:31295

約数の個数: 72

約数和(自身を含む): 766941504

約数和(自身を除く): 486789184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 31267, 62534, 125068, 156335, 218869, 250136, 312670, 437738, 500272, 625340, 875476, 1000544, 1094345, 1250680, 1750952, 2001088, 2188690, 2501360, 3501904, 4002176, 4377380, 5002720, 7003808, 8004352, 8754760, 10005440, 14007616, 17509520, 20010880, 28015232, 35019040, 40021760, 56030464, 70038080, 140076160, 280152320]

約数ペア:

[(1, 280152320), (2, 140076160), (4, 70038080), (5, 56030464), (7, 40021760), (8, 35019040), (10, 28015232), (14, 20010880), (16, 17509520), (20, 14007616), (28, 10005440), (32, 8754760), (35, 8004352), (40, 7003808), (56, 5002720), (64, 4377380), (70, 4002176), (80, 3501904), (112, 2501360), (128, 2188690), (140, 2001088), (160, 1750952), (224, 1250680), (256, 1094345), (280, 1000544), (320, 875476), (448, 625340), (560, 500272), (640, 437738), (896, 312670), (1120, 250136), (1280, 218869), (1792, 156335), (2240, 125068), (4480, 62534), (8960, 31267)]