87168720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1381}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 271446912

約数和(自身を除く): 184278192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 526, 789, 1052, 1315, 1381, 1578, 2104, 2630, 2762, 3156, 3945, 4143, 4208, 5260, 5524, 6312, 6905, 7890, 8286, 10520, 11048, 12624, 13810, 15780, 16572, 20715, 21040, 22096, 27620, 31560, 33144, 41430, 55240, 63120, 66288, 82860, 110480, 165720, 331440, 363203, 726406, 1089609, 1452812, 1816015, 2179218, 2905624, 3632030, 4358436, 5448045, 5811248, 7264060, 8716872, 10896090, 14528120, 17433744, 21792180, 29056240, 43584360, 87168720]

約数ペア:

[(1, 87168720), (2, 43584360), (3, 29056240), (4, 21792180), (5, 17433744), (6, 14528120), (8, 10896090), (10, 8716872), (12, 7264060), (15, 5811248), (16, 5448045), (20, 4358436), (24, 3632030), (30, 2905624), (40, 2179218), (48, 1816015), (60, 1452812), (80, 1089609), (120, 726406), (240, 363203), (263, 331440), (526, 165720), (789, 110480), (1052, 82860), (1315, 66288), (1381, 63120), (1578, 55240), (2104, 41430), (2630, 33144), (2762, 31560), (3156, 27620), (3945, 22096), (4143, 21040), (4208, 20715), (5260, 16572), (5524, 15780), (6312, 13810), (6905, 12624), (7890, 11048), (8286, 10520)]