78610880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 112

約数和(自身を含む): 199156320

約数和(自身を除く): 120545440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 145, 160, 172, 197, 215, 232, 290, 320, 344, 394, 430, 464, 580, 688, 788, 860, 928, 985, 1160, 1247, 1376, 1576, 1720, 1856, 1970, 2320, 2494, 2752, 3152, 3440, 3940, 4640, 4988, 5713, 6235, 6304, 6880, 7880, 8471, 9280, 9976, 11426, 12470, 12608, 13760, 15760, 16942, 19952, 22852, 24940, 28565, 31520, 33884, 39904, 42355, 45704, 49880, 57130, 63040, 67768, 79808, 84710, 91408, 99760, 114260, 135536, 169420, 182816, 199520, 228520, 245659, 271072, 338840, 365632, 399040, 457040, 491318, 542144, 677680, 914080, 982636, 1228295, 1355360, 1828160, 1965272, 2456590, 2710720, 3930544, 4913180, 7861088, 9826360, 15722176, 19652720, 39305440, 78610880]

約数ペア:

[(1, 78610880), (2, 39305440), (4, 19652720), (5, 15722176), (8, 9826360), (10, 7861088), (16, 4913180), (20, 3930544), (29, 2710720), (32, 2456590), (40, 1965272), (43, 1828160), (58, 1355360), (64, 1228295), (80, 982636), (86, 914080), (116, 677680), (145, 542144), (160, 491318), (172, 457040), (197, 399040), (215, 365632), (232, 338840), (290, 271072), (320, 245659), (344, 228520), (394, 199520), (430, 182816), (464, 169420), (580, 135536), (688, 114260), (788, 99760), (860, 91408), (928, 84710), (985, 79808), (1160, 67768), (1247, 63040), (1376, 57130), (1576, 49880), (1720, 45704), (1856, 42355), (1970, 39904), (2320, 33884), (2494, 31520), (2752, 28565), (3152, 24940), (3440, 22852), (3940, 19952), (4640, 16942), (4988, 15760), (5713, 13760), (6235, 12608), (6304, 12470), (6880, 11426), (7880, 9976), (8471, 9280)]