255506720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{228131}}^1$

素因数の和:228153

約数の個数: 48

約数和(自身を含む): 689871168

約数和(自身を除く): 434364448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 228131, 456262, 912524, 1140655, 1596917, 1825048, 2281310, 3193834, 3650096, 4562620, 6387668, 7300192, 7984585, 9125240, 12775336, 15969170, 18250480, 25550672, 31938340, 36500960, 51101344, 63876680, 127753360, 255506720]

約数ペア:

[(1, 255506720), (2, 127753360), (4, 63876680), (5, 51101344), (7, 36500960), (8, 31938340), (10, 25550672), (14, 18250480), (16, 15969170), (20, 12775336), (28, 9125240), (32, 7984585), (35, 7300192), (40, 6387668), (56, 4562620), (70, 3650096), (80, 3193834), (112, 2281310), (140, 1825048), (160, 1596917), (224, 1140655), (280, 912524), (560, 456262), (1120, 228131)]