1995218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27437}}^1$

素因数の和:27557

約数の個数: 120

約数和(自身を含む): 6767198568

約数和(自身を除く): 4771979928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 505, 606, 720, 808, 909, 1010, 1212, 1515, 1616, 1818, 2020, 2424, 3030, 3636, 4040, 4545, 4848, 6060, 7272, 8080, 9090, 12120, 14544, 18180, 24240, 27437, 36360, 54874, 72720, 82311, 109748, 137185, 164622, 219496, 246933, 274370, 329244, 411555, 438992, 493866, 548740, 658488, 823110, 987732, 1097480, 1234665, 1316976, 1646220, 1975464, 2194960, 2469330, 2771137, 3292440, 3950928, 4938660, 5542274, 6584880, 8313411, 9877320, 11084548, 13855685, 16626822, 19754640, 22169096, 24940233, 27711370, 33253644, 41567055, 44338192, 49880466, 55422740, 66507288, 83134110, 99760932, 110845480, 124701165, 133014576, 166268220, 199521864, 221690960, 249402330, 332536440, 399043728, 498804660, 665072880, 997609320, 1995218640]

約数ペア:

[(1, 1995218640), (2, 997609320), (3, 665072880), (4, 498804660), (5, 399043728), (6, 332536440), (8, 249402330), (9, 221690960), (10, 199521864), (12, 166268220), (15, 133014576), (16, 124701165), (18, 110845480), (20, 99760932), (24, 83134110), (30, 66507288), (36, 55422740), (40, 49880466), (45, 44338192), (48, 41567055), (60, 33253644), (72, 27711370), (80, 24940233), (90, 22169096), (101, 19754640), (120, 16626822), (144, 13855685), (180, 11084548), (202, 9877320), (240, 8313411), (303, 6584880), (360, 5542274), (404, 4938660), (505, 3950928), (606, 3292440), (720, 2771137), (808, 2469330), (909, 2194960), (1010, 1975464), (1212, 1646220), (1515, 1316976), (1616, 1234665), (1818, 1097480), (2020, 987732), (2424, 823110), (3030, 658488), (3636, 548740), (4040, 493866), (4545, 438992), (4848, 411555), (6060, 329244), (7272, 274370), (8080, 246933), (9090, 219496), (12120, 164622), (14544, 137185), (18180, 109748), (24240, 82311), (27437, 72720), (36360, 54874)]