2188160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 5654880

約数和(自身を除く): 3466720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 263, 320, 416, 520, 526, 640, 832, 1040, 1052, 1315, 1664, 2080, 2104, 2630, 3419, 4160, 4208, 5260, 6838, 8320, 8416, 10520, 13676, 16832, 17095, 21040, 27352, 33664, 34190, 42080, 54704, 68380, 84160, 109408, 136760, 168320, 218816, 273520, 437632, 547040, 1094080, 2188160]

約数ペア:

[(1, 2188160), (2, 1094080), (4, 547040), (5, 437632), (8, 273520), (10, 218816), (13, 168320), (16, 136760), (20, 109408), (26, 84160), (32, 68380), (40, 54704), (52, 42080), (64, 34190), (65, 33664), (80, 27352), (104, 21040), (128, 17095), (130, 16832), (160, 13676), (208, 10520), (260, 8416), (263, 8320), (320, 6838), (416, 5260), (520, 4208), (526, 4160), (640, 3419), (832, 2630), (1040, 2104), (1052, 2080), (1315, 1664)]