315040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 816480

約数和(自身を除く): 501440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 179, 220, 352, 358, 440, 716, 880, 895, 1432, 1760, 1790, 1969, 2864, 3580, 3938, 5728, 7160, 7876, 9845, 14320, 15752, 19690, 28640, 31504, 39380, 63008, 78760, 157520, 315040]

約数ペア:

[(1, 315040), (2, 157520), (4, 78760), (5, 63008), (8, 39380), (10, 31504), (11, 28640), (16, 19690), (20, 15752), (22, 14320), (32, 9845), (40, 7876), (44, 7160), (55, 5728), (80, 3938), (88, 3580), (110, 2864), (160, 1969), (176, 1790), (179, 1760), (220, 1432), (352, 895), (358, 880), (440, 716)]