81502740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13721}}^1$

素因数の和:13750

約数の個数: 96

約数和(自身を含む): 276635520

約数和(自身を除く): 195132780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 13721, 27442, 41163, 54884, 68605, 82326, 123489, 137210, 150931, 164652, 205815, 246978, 274420, 301862, 370467, 411630, 452793, 493956, 603724, 617445, 740934, 754655, 823260, 905586, 1234890, 1358379, 1481868, 1509310, 1811172, 1852335, 2263965, 2469780, 2716758, 3018620, 3704670, 4075137, 4527930, 5433516, 6791895, 7409340, 8150274, 9055860, 13583790, 16300548, 20375685, 27167580, 40751370, 81502740]

約数ペア:

[(1, 81502740), (2, 40751370), (3, 27167580), (4, 20375685), (5, 16300548), (6, 13583790), (9, 9055860), (10, 8150274), (11, 7409340), (12, 6791895), (15, 5433516), (18, 4527930), (20, 4075137), (22, 3704670), (27, 3018620), (30, 2716758), (33, 2469780), (36, 2263965), (44, 1852335), (45, 1811172), (54, 1509310), (55, 1481868), (60, 1358379), (66, 1234890), (90, 905586), (99, 823260), (108, 754655), (110, 740934), (132, 617445), (135, 603724), (165, 493956), (180, 452793), (198, 411630), (220, 370467), (270, 301862), (297, 274420), (330, 246978), (396, 205815), (495, 164652), (540, 150931), (594, 137210), (660, 123489), (990, 82326), (1188, 68605), (1485, 54884), (1980, 41163), (2970, 27442), (5940, 13721)]