137685760

素因数分解:

$2^8\times 5^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 331863840

約数和(自身を除く): 194178080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 409, 526, 640, 818, 1052, 1280, 1315, 1636, 2045, 2104, 2630, 3272, 4090, 4208, 5260, 6544, 8180, 8416, 10520, 13088, 16360, 16832, 21040, 26176, 32720, 33664, 42080, 52352, 65440, 67328, 84160, 104704, 107567, 130880, 168320, 215134, 261760, 336640, 430268, 523520, 537835, 860536, 1075670, 1721072, 2151340, 3442144, 4302680, 6884288, 8605360, 13768576, 17210720, 27537152, 34421440, 68842880, 137685760]

約数ペア:

[(1, 137685760), (2, 68842880), (4, 34421440), (5, 27537152), (8, 17210720), (10, 13768576), (16, 8605360), (20, 6884288), (32, 4302680), (40, 3442144), (64, 2151340), (80, 1721072), (128, 1075670), (160, 860536), (256, 537835), (263, 523520), (320, 430268), (409, 336640), (526, 261760), (640, 215134), (818, 168320), (1052, 130880), (1280, 107567), (1315, 104704), (1636, 84160), (2045, 67328), (2104, 65440), (2630, 52352), (3272, 42080), (4090, 33664), (4208, 32720), (5260, 26176), (6544, 21040), (8180, 16832), (8416, 16360), (10520, 13088)]