2121280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{947}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 5779008

約数和(自身を除く): 3657728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 947, 1120, 1894, 2240, 3788, 4735, 6629, 7576, 9470, 13258, 15152, 18940, 26516, 30304, 33145, 37880, 53032, 60608, 66290, 75760, 106064, 132580, 151520, 212128, 265160, 303040, 424256, 530320, 1060640, 2121280]

約数ペア:

[(1, 2121280), (2, 1060640), (4, 530320), (5, 424256), (7, 303040), (8, 265160), (10, 212128), (14, 151520), (16, 132580), (20, 106064), (28, 75760), (32, 66290), (35, 60608), (40, 53032), (56, 37880), (64, 33145), (70, 30304), (80, 26516), (112, 18940), (140, 15152), (160, 13258), (224, 9470), (280, 7576), (320, 6629), (448, 4735), (560, 3788), (947, 2240), (1120, 1894)]