121381520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 306647040

約数和(自身を除く): 185265520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 919, 1016, 1040, 1270, 1651, 1838, 2032, 2540, 3302, 3676, 4595, 5080, 6604, 7352, 8255, 9190, 10160, 11947, 13208, 14704, 16510, 18380, 23894, 26416, 33020, 36760, 47788, 59735, 66040, 73520, 95576, 116713, 119470, 132080, 191152, 233426, 238940, 466852, 477880, 583565, 933704, 955760, 1167130, 1517269, 1867408, 2334260, 3034538, 4668520, 6069076, 7586345, 9337040, 12138152, 15172690, 24276304, 30345380, 60690760, 121381520]

約数ペア:

[(1, 121381520), (2, 60690760), (4, 30345380), (5, 24276304), (8, 15172690), (10, 12138152), (13, 9337040), (16, 7586345), (20, 6069076), (26, 4668520), (40, 3034538), (52, 2334260), (65, 1867408), (80, 1517269), (104, 1167130), (127, 955760), (130, 933704), (208, 583565), (254, 477880), (260, 466852), (508, 238940), (520, 233426), (635, 191152), (919, 132080), (1016, 119470), (1040, 116713), (1270, 95576), (1651, 73520), (1838, 66040), (2032, 59735), (2540, 47788), (3302, 36760), (3676, 33020), (4595, 26416), (5080, 23894), (6604, 18380), (7352, 16510), (8255, 14704), (9190, 13208), (10160, 11947)]