68842880

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 165607200

約数和(自身を除く): 96764320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 409, 526, 640, 818, 1052, 1315, 1636, 2045, 2104, 2630, 3272, 4090, 4208, 5260, 6544, 8180, 8416, 10520, 13088, 16360, 16832, 21040, 26176, 32720, 33664, 42080, 52352, 65440, 84160, 107567, 130880, 168320, 215134, 261760, 430268, 537835, 860536, 1075670, 1721072, 2151340, 3442144, 4302680, 6884288, 8605360, 13768576, 17210720, 34421440, 68842880]

約数ペア:

[(1, 68842880), (2, 34421440), (4, 17210720), (5, 13768576), (8, 8605360), (10, 6884288), (16, 4302680), (20, 3442144), (32, 2151340), (40, 1721072), (64, 1075670), (80, 860536), (128, 537835), (160, 430268), (263, 261760), (320, 215134), (409, 168320), (526, 130880), (640, 107567), (818, 84160), (1052, 65440), (1315, 52352), (1636, 42080), (2045, 33664), (2104, 32720), (2630, 26176), (3272, 21040), (4090, 16832), (4208, 16360), (5260, 13088), (6544, 10520), (8180, 8416)]