28965480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{859}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 87307200

約数和(自身を除く): 58341720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 859, 1124, 1405, 1686, 1718, 2248, 2577, 2810, 3372, 3436, 4215, 4295, 5154, 5620, 6744, 6872, 8430, 8590, 10308, 11240, 12885, 16860, 17180, 20616, 25770, 33720, 34360, 51540, 103080, 241379, 482758, 724137, 965516, 1206895, 1448274, 1931032, 2413790, 2896548, 3620685, 4827580, 5793096, 7241370, 9655160, 14482740, 28965480]

約数ペア:

[(1, 28965480), (2, 14482740), (3, 9655160), (4, 7241370), (5, 5793096), (6, 4827580), (8, 3620685), (10, 2896548), (12, 2413790), (15, 1931032), (20, 1448274), (24, 1206895), (30, 965516), (40, 724137), (60, 482758), (120, 241379), (281, 103080), (562, 51540), (843, 34360), (859, 33720), (1124, 25770), (1405, 20616), (1686, 17180), (1718, 16860), (2248, 12885), (2577, 11240), (2810, 10308), (3372, 8590), (3436, 8430), (4215, 6872), (4295, 6744), (5154, 5620)]