78977520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 266947200

約数和(自身を除く): 187969680

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, 120, 144, 180, 229, 240, 360, 458, 479, 687, 720, 916, 958, 1145, 1374, 1437, 1832, 1916, 2061, 2290, 2395, 2748, 2874, 3435, 3664, 3832, 4122, 4311, 4580, 4790, 5496, 5748, 6870, 7185, 7664, 8244, 8622, 9160, 9580, 10305, 10992, 11496, 13740, 14370, 16488, 17244, 18320, 19160, 20610, 21555, 22992, 27480, 28740, 32976, 34488, 38320, 41220, 43110, 54960, 57480, 68976, 82440, 86220, 109691, 114960, 164880, 172440, 219382, 329073, 344880, 438764, 548455, 658146, 877528, 987219, 1096910, 1316292, 1645365, 1755056, 1974438, 2193820, 2632584, 3290730, 3948876, 4387640, 4936095, 5265168, 6581460, 7897752, 8775280, 9872190, 13162920, 15795504, 19744380, 26325840, 39488760, 78977520]

約数ペア:

[(1, 78977520), (2, 39488760), (3, 26325840), (4, 19744380), (5, 15795504), (6, 13162920), (8, 9872190), (9, 8775280), (10, 7897752), (12, 6581460), (15, 5265168), (16, 4936095), (18, 4387640), (20, 3948876), (24, 3290730), (30, 2632584), (36, 2193820), (40, 1974438), (45, 1755056), (48, 1645365), (60, 1316292), (72, 1096910), (80, 987219), (90, 877528), (120, 658146), (144, 548455), (180, 438764), (229, 344880), (240, 329073), (360, 219382), (458, 172440), (479, 164880), (687, 114960), (720, 109691), (916, 86220), (958, 82440), (1145, 68976), (1374, 57480), (1437, 54960), (1832, 43110), (1916, 41220), (2061, 38320), (2290, 34488), (2395, 32976), (2748, 28740), (2874, 27480), (3435, 22992), (3664, 21555), (3832, 20610), (4122, 19160), (4311, 18320), (4580, 17244), (4790, 16488), (5496, 14370), (5748, 13740), (6870, 11496), (7185, 10992), (7664, 10305), (8244, 9580), (8622, 9160)]