321012227840

素因数分解:

$2^8\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{86869}}^1$

素因数の和:89777

約数の個数: 72

約数和(自身を含む): 769199796960

約数和(自身を除く): 448187569120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2887, 5774, 11548, 14435, 23096, 28870, 46192, 57740, 86869, 92384, 115480, 173738, 184768, 230960, 347476, 369536, 434345, 461920, 694952, 739072, 868690, 923840, 1389904, 1737380, 1847680, 2779808, 3474760, 3695360, 5559616, 6949520, 11119232, 13899040, 22238464, 27798080, 55596160, 111192320, 250790803, 501581606, 1003163212, 1253954015, 2006326424, 2507908030, 4012652848, 5015816060, 8025305696, 10031632120, 16050611392, 20063264240, 32101222784, 40126528480, 64202445568, 80253056960, 160506113920, 321012227840]

約数ペア:

[(1, 321012227840), (2, 160506113920), (4, 80253056960), (5, 64202445568), (8, 40126528480), (10, 32101222784), (16, 20063264240), (20, 16050611392), (32, 10031632120), (40, 8025305696), (64, 5015816060), (80, 4012652848), (128, 2507908030), (160, 2006326424), (256, 1253954015), (320, 1003163212), (640, 501581606), (1280, 250790803), (2887, 111192320), (5774, 55596160), (11548, 27798080), (14435, 22238464), (23096, 13899040), (28870, 11119232), (46192, 6949520), (57740, 5559616), (86869, 3695360), (92384, 3474760), (115480, 2779808), (173738, 1847680), (184768, 1737380), (230960, 1389904), (347476, 923840), (369536, 868690), (434345, 739072), (461920, 694952)]