2181760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 5973120

約数和(自身を除く): 3791360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 487, 560, 640, 896, 974, 1120, 1948, 2240, 2435, 3409, 3896, 4480, 4870, 6818, 7792, 9740, 13636, 15584, 17045, 19480, 27272, 31168, 34090, 38960, 54544, 62336, 68180, 77920, 109088, 136360, 155840, 218176, 272720, 311680, 436352, 545440, 1090880, 2181760]

約数ペア:

[(1, 2181760), (2, 1090880), (4, 545440), (5, 436352), (7, 311680), (8, 272720), (10, 218176), (14, 155840), (16, 136360), (20, 109088), (28, 77920), (32, 68180), (35, 62336), (40, 54544), (56, 38960), (64, 34090), (70, 31168), (80, 27272), (112, 19480), (128, 17045), (140, 15584), (160, 13636), (224, 9740), (280, 7792), (320, 6818), (448, 4870), (487, 4480), (560, 3896), (640, 3409), (896, 2435), (974, 2240), (1120, 1948)]