68707760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 175703040

約数和(自身を除く): 106995280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 479, 652, 815, 880, 958, 1304, 1630, 1793, 1916, 2395, 2608, 3260, 3586, 3832, 4790, 5269, 6520, 7172, 7664, 8965, 9580, 10538, 13040, 14344, 17930, 19160, 21076, 26345, 28688, 35860, 38320, 42152, 52690, 71720, 78077, 84304, 105380, 143440, 156154, 210760, 312308, 390385, 421520, 624616, 780770, 858847, 1249232, 1561540, 1717694, 3123080, 3435388, 4294235, 6246160, 6870776, 8588470, 13741552, 17176940, 34353880, 68707760]

約数ペア:

[(1, 68707760), (2, 34353880), (4, 17176940), (5, 13741552), (8, 8588470), (10, 6870776), (11, 6246160), (16, 4294235), (20, 3435388), (22, 3123080), (40, 1717694), (44, 1561540), (55, 1249232), (80, 858847), (88, 780770), (110, 624616), (163, 421520), (176, 390385), (220, 312308), (326, 210760), (440, 156154), (479, 143440), (652, 105380), (815, 84304), (880, 78077), (958, 71720), (1304, 52690), (1630, 42152), (1793, 38320), (1916, 35860), (2395, 28688), (2608, 26345), (3260, 21076), (3586, 19160), (3832, 17930), (4790, 14344), (5269, 13040), (6520, 10538), (7172, 9580), (7664, 8965)]