220981320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{87691}}^1$

素因数の和:87715

約数の個数: 96

約数和(自身を含む): 820797120

約数和(自身を除く): 599815800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 87691, 175382, 263073, 350764, 438455, 526146, 613837, 701528, 789219, 876910, 1052292, 1227674, 1315365, 1578438, 1753820, 1841511, 2104584, 2455348, 2630730, 3069185, 3156876, 3507640, 3683022, 3946095, 4910696, 5261460, 5524533, 6138370, 6313752, 7366044, 7892190, 9207555, 10522920, 11049066, 12276740, 14732088, 15784380, 18415110, 22098132, 24553480, 27622665, 31568760, 36830220, 44196264, 55245330, 73660440, 110490660, 220981320]

約数ペア:

[(1, 220981320), (2, 110490660), (3, 73660440), (4, 55245330), (5, 44196264), (6, 36830220), (7, 31568760), (8, 27622665), (9, 24553480), (10, 22098132), (12, 18415110), (14, 15784380), (15, 14732088), (18, 12276740), (20, 11049066), (21, 10522920), (24, 9207555), (28, 7892190), (30, 7366044), (35, 6313752), (36, 6138370), (40, 5524533), (42, 5261460), (45, 4910696), (56, 3946095), (60, 3683022), (63, 3507640), (70, 3156876), (72, 3069185), (84, 2630730), (90, 2455348), (105, 2104584), (120, 1841511), (126, 1753820), (140, 1578438), (168, 1315365), (180, 1227674), (210, 1052292), (252, 876910), (280, 789219), (315, 701528), (360, 613837), (420, 526146), (504, 438455), (630, 350764), (840, 263073), (1260, 175382), (2520, 87691)]