81110040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1497

約数の個数: 128

約数和(自身を含む): 271814400

約数和(自身を除く): 190704360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1429, 1720, 1892, 2365, 2580, 2838, 2858, 3784, 4287, 4730, 5160, 5676, 5716, 7095, 7145, 8574, 9460, 11352, 11432, 14190, 14290, 15719, 17148, 18920, 21435, 28380, 28580, 31438, 34296, 42870, 47157, 56760, 57160, 61447, 62876, 78595, 85740, 94314, 122894, 125752, 157190, 171480, 184341, 188628, 235785, 245788, 307235, 314380, 368682, 377256, 471570, 491576, 614470, 628760, 675917, 737364, 921705, 943140, 1228940, 1351834, 1474728, 1843410, 1886280, 2027751, 2457880, 2703668, 3379585, 3686820, 4055502, 5407336, 6759170, 7373640, 8111004, 10138755, 13518340, 16222008, 20277510, 27036680, 40555020, 81110040]

約数ペア:

[(1, 81110040), (2, 40555020), (3, 27036680), (4, 20277510), (5, 16222008), (6, 13518340), (8, 10138755), (10, 8111004), (11, 7373640), (12, 6759170), (15, 5407336), (20, 4055502), (22, 3686820), (24, 3379585), (30, 2703668), (33, 2457880), (40, 2027751), (43, 1886280), (44, 1843410), (55, 1474728), (60, 1351834), (66, 1228940), (86, 943140), (88, 921705), (110, 737364), (120, 675917), (129, 628760), (132, 614470), (165, 491576), (172, 471570), (215, 377256), (220, 368682), (258, 314380), (264, 307235), (330, 245788), (344, 235785), (430, 188628), (440, 184341), (473, 171480), (516, 157190), (645, 125752), (660, 122894), (860, 94314), (946, 85740), (1032, 78595), (1290, 62876), (1320, 61447), (1419, 57160), (1429, 56760), (1720, 47157), (1892, 42870), (2365, 34296), (2580, 31438), (2838, 28580), (2858, 28380), (3784, 21435), (4287, 18920), (4730, 17148), (5160, 15719), (5676, 14290), (5716, 14190), (7095, 11432), (7145, 11352), (8574, 9460)]