505454080

素因数分解:

$2^9\times 5^1\times {\mathrm{347}}^1\times {\mathrm{569}}^1$

素因数の和:939

約数の個数: 80

約数和(自身を含む): 1217533680

約数和(自身を除く): 712079600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 512, 569, 640, 694, 1138, 1280, 1388, 1735, 2276, 2560, 2776, 2845, 3470, 4552, 5552, 5690, 6940, 9104, 11104, 11380, 13880, 18208, 22208, 22760, 27760, 36416, 44416, 45520, 55520, 72832, 88832, 91040, 111040, 145664, 177664, 182080, 197443, 222080, 291328, 364160, 394886, 444160, 728320, 789772, 888320, 987215, 1456640, 1579544, 1974430, 3159088, 3948860, 6318176, 7897720, 12636352, 15795440, 25272704, 31590880, 50545408, 63181760, 101090816, 126363520, 252727040, 505454080]

約数ペア:

[(1, 505454080), (2, 252727040), (4, 126363520), (5, 101090816), (8, 63181760), (10, 50545408), (16, 31590880), (20, 25272704), (32, 15795440), (40, 12636352), (64, 7897720), (80, 6318176), (128, 3948860), (160, 3159088), (256, 1974430), (320, 1579544), (347, 1456640), (512, 987215), (569, 888320), (640, 789772), (694, 728320), (1138, 444160), (1280, 394886), (1388, 364160), (1735, 291328), (2276, 222080), (2560, 197443), (2776, 182080), (2845, 177664), (3470, 145664), (4552, 111040), (5552, 91040), (5690, 88832), (6940, 72832), (9104, 55520), (11104, 45520), (11380, 44416), (13880, 36416), (18208, 27760), (22208, 22760)]