78879240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19947

約数の個数: 96

約数和(自身を含む): 279676800

約数和(自身を除く): 200797560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19919, 39838, 59757, 79676, 99595, 119514, 159352, 179271, 199190, 219109, 239028, 298785, 358542, 398380, 438218, 478056, 597570, 657327, 717084, 796760, 876436, 896355, 1095545, 1195140, 1314654, 1434168, 1752872, 1792710, 1971981, 2191090, 2390280, 2629308, 3286635, 3585420, 3943962, 4382180, 5258616, 6573270, 7170840, 7887924, 8764360, 9859905, 13146540, 15775848, 19719810, 26293080, 39439620, 78879240]

約数ペア:

[(1, 78879240), (2, 39439620), (3, 26293080), (4, 19719810), (5, 15775848), (6, 13146540), (8, 9859905), (9, 8764360), (10, 7887924), (11, 7170840), (12, 6573270), (15, 5258616), (18, 4382180), (20, 3943962), (22, 3585420), (24, 3286635), (30, 2629308), (33, 2390280), (36, 2191090), (40, 1971981), (44, 1792710), (45, 1752872), (55, 1434168), (60, 1314654), (66, 1195140), (72, 1095545), (88, 896355), (90, 876436), (99, 796760), (110, 717084), (120, 657327), (132, 597570), (165, 478056), (180, 438218), (198, 398380), (220, 358542), (264, 298785), (330, 239028), (360, 219109), (396, 199190), (440, 179271), (495, 159352), (660, 119514), (792, 99595), (990, 79676), (1320, 59757), (1980, 39838), (3960, 19919)]