1273580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 3338496

約数和(自身を除く): 2064916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 827, 1540, 1654, 3308, 4135, 5789, 8270, 9097, 11578, 16540, 18194, 23156, 28945, 36388, 45485, 57890, 63679, 90970, 115780, 127358, 181940, 254716, 318395, 636790, 1273580]

約数ペア:

[(1, 1273580), (2, 636790), (4, 318395), (5, 254716), (7, 181940), (10, 127358), (11, 115780), (14, 90970), (20, 63679), (22, 57890), (28, 45485), (35, 36388), (44, 28945), (55, 23156), (70, 18194), (77, 16540), (110, 11578), (140, 9097), (154, 8270), (220, 5789), (308, 4135), (385, 3308), (770, 1654), (827, 1540)]