79776180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1006

約数の個数: 144

約数和(自身を含む): 270414144

約数和(自身を除く): 190637964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 860, 937, 946, 990, 1290, 1419, 1548, 1874, 1892, 1935, 1980, 2365, 2580, 2811, 2838, 3748, 3870, 4257, 4685, 4730, 5622, 5676, 7095, 7740, 8433, 8514, 9370, 9460, 10307, 11244, 14055, 14190, 16866, 17028, 18740, 20614, 21285, 28110, 28380, 30921, 33732, 40291, 41228, 42165, 42570, 51535, 56220, 61842, 80582, 84330, 85140, 92763, 103070, 120873, 123684, 154605, 161164, 168660, 185526, 201455, 206140, 241746, 309210, 362619, 371052, 402910, 443201, 463815, 483492, 604365, 618420, 725238, 805820, 886402, 927630, 1208730, 1329603, 1450476, 1772804, 1813095, 1855260, 2216005, 2417460, 2659206, 3626190, 3988809, 4432010, 5318412, 6648015, 7252380, 7977618, 8864020, 13296030, 15955236, 19944045, 26592060, 39888090, 79776180]

約数ペア:

[(1, 79776180), (2, 39888090), (3, 26592060), (4, 19944045), (5, 15955236), (6, 13296030), (9, 8864020), (10, 7977618), (11, 7252380), (12, 6648015), (15, 5318412), (18, 4432010), (20, 3988809), (22, 3626190), (30, 2659206), (33, 2417460), (36, 2216005), (43, 1855260), (44, 1813095), (45, 1772804), (55, 1450476), (60, 1329603), (66, 1208730), (86, 927630), (90, 886402), (99, 805820), (110, 725238), (129, 618420), (132, 604365), (165, 483492), (172, 463815), (180, 443201), (198, 402910), (215, 371052), (220, 362619), (258, 309210), (330, 241746), (387, 206140), (396, 201455), (430, 185526), (473, 168660), (495, 161164), (516, 154605), (645, 123684), (660, 120873), (774, 103070), (860, 92763), (937, 85140), (946, 84330), (990, 80582), (1290, 61842), (1419, 56220), (1548, 51535), (1874, 42570), (1892, 42165), (1935, 41228), (1980, 40291), (2365, 33732), (2580, 30921), (2811, 28380), (2838, 28110), (3748, 21285), (3870, 20614), (4257, 18740), (4685, 17028), (4730, 16866), (5622, 14190), (5676, 14055), (7095, 11244), (7740, 10307), (8433, 9460), (8514, 9370)]