21881760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45587}}^1$

素因数の和:45605

約数の個数: 48

約数和(自身を含む): 68929056

約数和(自身を除く): 47047296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45587, 91174, 136761, 182348, 227935, 273522, 364696, 455870, 547044, 683805, 729392, 911740, 1094088, 1367610, 1458784, 1823480, 2188176, 2735220, 3646960, 4376352, 5470440, 7293920, 10940880, 21881760]

約数ペア:

[(1, 21881760), (2, 10940880), (3, 7293920), (4, 5470440), (5, 4376352), (6, 3646960), (8, 2735220), (10, 2188176), (12, 1823480), (15, 1458784), (16, 1367610), (20, 1094088), (24, 911740), (30, 729392), (32, 683805), (40, 547044), (48, 455870), (60, 364696), (80, 273522), (96, 227935), (120, 182348), (160, 136761), (240, 91174), (480, 45587)]