2587440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{10781}}^1$

素因数の和:10797

約数の個数: 40

約数和(自身を含む): 8021808

約数和(自身を除く): 5434368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 10781, 21562, 32343, 43124, 53905, 64686, 86248, 107810, 129372, 161715, 172496, 215620, 258744, 323430, 431240, 517488, 646860, 862480, 1293720, 2587440]

約数ペア:

[(1, 2587440), (2, 1293720), (3, 862480), (4, 646860), (5, 517488), (6, 431240), (8, 323430), (10, 258744), (12, 215620), (15, 172496), (16, 161715), (20, 129372), (24, 107810), (30, 86248), (40, 64686), (48, 53905), (60, 43124), (80, 32343), (120, 21562), (240, 10781)]