233489920

素因数分解:

$2^9\times 5^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:655

約数の個数: 80

約数和(自身を含む): 563713920

約数和(自身を除く): 330224000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 409, 446, 512, 640, 818, 892, 1115, 1280, 1636, 1784, 2045, 2230, 2560, 3272, 3568, 4090, 4460, 6544, 7136, 8180, 8920, 13088, 14272, 16360, 17840, 26176, 28544, 32720, 35680, 52352, 57088, 65440, 71360, 91207, 104704, 114176, 130880, 142720, 182414, 209408, 261760, 285440, 364828, 456035, 523520, 570880, 729656, 912070, 1047040, 1459312, 1824140, 2918624, 3648280, 5837248, 7296560, 11674496, 14593120, 23348992, 29186240, 46697984, 58372480, 116744960, 233489920]

約数ペア:

[(1, 233489920), (2, 116744960), (4, 58372480), (5, 46697984), (8, 29186240), (10, 23348992), (16, 14593120), (20, 11674496), (32, 7296560), (40, 5837248), (64, 3648280), (80, 2918624), (128, 1824140), (160, 1459312), (223, 1047040), (256, 912070), (320, 729656), (409, 570880), (446, 523520), (512, 456035), (640, 364828), (818, 285440), (892, 261760), (1115, 209408), (1280, 182414), (1636, 142720), (1784, 130880), (2045, 114176), (2230, 104704), (2560, 91207), (3272, 71360), (3568, 65440), (4090, 57088), (4460, 52352), (6544, 35680), (7136, 32720), (8180, 28544), (8920, 26176), (13088, 17840), (14272, 16360)]