54855280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 135705600

約数和(自身を除く): 80850320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 239, 302, 304, 380, 478, 604, 755, 760, 956, 1195, 1208, 1510, 1520, 1912, 2390, 2416, 2869, 3020, 3824, 4541, 4780, 5738, 6040, 9082, 9560, 11476, 12080, 14345, 18164, 19120, 22705, 22952, 28690, 36089, 36328, 45410, 45904, 57380, 72178, 72656, 90820, 114760, 144356, 180445, 181640, 229520, 288712, 360890, 363280, 577424, 685691, 721780, 1371382, 1443560, 2742764, 2887120, 3428455, 5485528, 6856910, 10971056, 13713820, 27427640, 54855280]

約数ペア:

[(1, 54855280), (2, 27427640), (4, 13713820), (5, 10971056), (8, 6856910), (10, 5485528), (16, 3428455), (19, 2887120), (20, 2742764), (38, 1443560), (40, 1371382), (76, 721780), (80, 685691), (95, 577424), (151, 363280), (152, 360890), (190, 288712), (239, 229520), (302, 181640), (304, 180445), (380, 144356), (478, 114760), (604, 90820), (755, 72656), (760, 72178), (956, 57380), (1195, 45904), (1208, 45410), (1510, 36328), (1520, 36089), (1912, 28690), (2390, 22952), (2416, 22705), (2869, 19120), (3020, 18164), (3824, 14345), (4541, 12080), (4780, 11476), (5738, 9560), (6040, 9082)]