27043280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 42595120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 389, 395, 440, 632, 778, 790, 869, 880, 1264, 1556, 1580, 1738, 1945, 3112, 3160, 3476, 3890, 4279, 4345, 6224, 6320, 6952, 7780, 8558, 8690, 13904, 15560, 17116, 17380, 21395, 30731, 31120, 34232, 34760, 42790, 61462, 68464, 69520, 85580, 122924, 153655, 171160, 245848, 307310, 338041, 342320, 491696, 614620, 676082, 1229240, 1352164, 1690205, 2458480, 2704328, 3380410, 5408656, 6760820, 13521640, 27043280]

約数ペア:

[(1, 27043280), (2, 13521640), (4, 6760820), (5, 5408656), (8, 3380410), (10, 2704328), (11, 2458480), (16, 1690205), (20, 1352164), (22, 1229240), (40, 676082), (44, 614620), (55, 491696), (79, 342320), (80, 338041), (88, 307310), (110, 245848), (158, 171160), (176, 153655), (220, 122924), (316, 85580), (389, 69520), (395, 68464), (440, 61462), (632, 42790), (778, 34760), (790, 34232), (869, 31120), (880, 30731), (1264, 21395), (1556, 17380), (1580, 17116), (1738, 15560), (1945, 13904), (3112, 8690), (3160, 8558), (3476, 7780), (3890, 6952), (4279, 6320), (4345, 6224)]