68508880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 175417344

約数和(自身を除く): 106908464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 613, 635, 880, 1016, 1226, 1270, 1397, 2032, 2452, 2540, 2794, 3065, 4904, 5080, 5588, 6130, 6743, 6985, 9808, 10160, 11176, 12260, 13486, 13970, 22352, 24520, 26972, 27940, 33715, 49040, 53944, 55880, 67430, 77851, 107888, 111760, 134860, 155702, 269720, 311404, 389255, 539440, 622808, 778510, 856361, 1245616, 1557020, 1712722, 3114040, 3425444, 4281805, 6228080, 6850888, 8563610, 13701776, 17127220, 34254440, 68508880]

約数ペア:

[(1, 68508880), (2, 34254440), (4, 17127220), (5, 13701776), (8, 8563610), (10, 6850888), (11, 6228080), (16, 4281805), (20, 3425444), (22, 3114040), (40, 1712722), (44, 1557020), (55, 1245616), (80, 856361), (88, 778510), (110, 622808), (127, 539440), (176, 389255), (220, 311404), (254, 269720), (440, 155702), (508, 134860), (613, 111760), (635, 107888), (880, 77851), (1016, 67430), (1226, 55880), (1270, 53944), (1397, 49040), (2032, 33715), (2452, 27940), (2540, 26972), (2794, 24520), (3065, 22352), (4904, 13970), (5080, 13486), (5588, 12260), (6130, 11176), (6743, 10160), (6985, 9808)]