16280180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 39486720

約数和(自身を除く): 23206540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1129, 1442, 2060, 2258, 2884, 3605, 4516, 5645, 7210, 7903, 11290, 14420, 15806, 22580, 31612, 39515, 79030, 116287, 158060, 232574, 465148, 581435, 814009, 1162870, 1628018, 2325740, 3256036, 4070045, 8140090, 16280180]

約数ペア:

[(1, 16280180), (2, 8140090), (4, 4070045), (5, 3256036), (7, 2325740), (10, 1628018), (14, 1162870), (20, 814009), (28, 581435), (35, 465148), (70, 232574), (103, 158060), (140, 116287), (206, 79030), (412, 39515), (515, 31612), (721, 22580), (1030, 15806), (1129, 14420), (1442, 11290), (2060, 7903), (2258, 7210), (2884, 5645), (3605, 4516)]