121704320

素因数分解:

$2^7\times 5^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 292291200

約数和(自身を除く): 170586880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 397, 479, 640, 794, 958, 1588, 1916, 1985, 2395, 3176, 3832, 3970, 4790, 6352, 7664, 7940, 9580, 12704, 15328, 15880, 19160, 25408, 30656, 31760, 38320, 50816, 61312, 63520, 76640, 127040, 153280, 190163, 254080, 306560, 380326, 760652, 950815, 1521304, 1901630, 3042608, 3803260, 6085216, 7606520, 12170432, 15213040, 24340864, 30426080, 60852160, 121704320]

約数ペア:

[(1, 121704320), (2, 60852160), (4, 30426080), (5, 24340864), (8, 15213040), (10, 12170432), (16, 7606520), (20, 6085216), (32, 3803260), (40, 3042608), (64, 1901630), (80, 1521304), (128, 950815), (160, 760652), (320, 380326), (397, 306560), (479, 254080), (640, 190163), (794, 153280), (958, 127040), (1588, 76640), (1916, 63520), (1985, 61312), (2395, 50816), (3176, 38320), (3832, 31760), (3970, 30656), (4790, 25408), (6352, 19160), (7664, 15880), (7940, 15328), (9580, 12704)]