1369280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:417

約数の個数: 56

約数和(自身を含む): 3566160

約数和(自身を除く): 2196880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 389, 440, 704, 778, 880, 1556, 1760, 1945, 3112, 3520, 3890, 4279, 6224, 7780, 8558, 12448, 15560, 17116, 21395, 24896, 31120, 34232, 42790, 62240, 68464, 85580, 124480, 136928, 171160, 273856, 342320, 684640, 1369280]

約数ペア:

[(1, 1369280), (2, 684640), (4, 342320), (5, 273856), (8, 171160), (10, 136928), (11, 124480), (16, 85580), (20, 68464), (22, 62240), (32, 42790), (40, 34232), (44, 31120), (55, 24896), (64, 21395), (80, 17116), (88, 15560), (110, 12448), (160, 8558), (176, 7780), (220, 6224), (320, 4279), (352, 3890), (389, 3520), (440, 3112), (704, 1945), (778, 1760), (880, 1556)]