160082020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 392999040

約数和(自身を除く): 232917020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 379, 431, 490, 758, 862, 980, 1516, 1724, 1895, 2155, 2653, 3017, 3790, 4310, 5306, 6034, 7580, 8620, 10612, 12068, 13265, 15085, 18571, 21119, 26530, 30170, 37142, 42238, 53060, 60340, 74284, 84476, 92855, 105595, 163349, 185710, 211190, 326698, 371420, 422380, 653396, 816745, 1143443, 1633490, 2286886, 3266980, 4573772, 5717215, 8004101, 11434430, 16008202, 22868860, 32016404, 40020505, 80041010, 160082020]

約数ペア:

[(1, 160082020), (2, 80041010), (4, 40020505), (5, 32016404), (7, 22868860), (10, 16008202), (14, 11434430), (20, 8004101), (28, 5717215), (35, 4573772), (49, 3266980), (70, 2286886), (98, 1633490), (140, 1143443), (196, 816745), (245, 653396), (379, 422380), (431, 371420), (490, 326698), (758, 211190), (862, 185710), (980, 163349), (1516, 105595), (1724, 92855), (1895, 84476), (2155, 74284), (2653, 60340), (3017, 53060), (3790, 42238), (4310, 37142), (5306, 30170), (6034, 26530), (7580, 21119), (8620, 18571), (10612, 15085), (12068, 13265)]