128408760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{118897}}^1$

素因数の和:118917

約数の個数: 64

約数和(自身を含む): 428032800

約数和(自身を除く): 299624040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 118897, 237794, 356691, 475588, 594485, 713382, 951176, 1070073, 1188970, 1426764, 1783455, 2140146, 2377940, 2853528, 3210219, 3566910, 4280292, 4755880, 5350365, 6420438, 7133820, 8560584, 10700730, 12840876, 14267640, 16051095, 21401460, 25681752, 32102190, 42802920, 64204380, 128408760]

約数ペア:

[(1, 128408760), (2, 64204380), (3, 42802920), (4, 32102190), (5, 25681752), (6, 21401460), (8, 16051095), (9, 14267640), (10, 12840876), (12, 10700730), (15, 8560584), (18, 7133820), (20, 6420438), (24, 5350365), (27, 4755880), (30, 4280292), (36, 3566910), (40, 3210219), (45, 2853528), (54, 2377940), (60, 2140146), (72, 1783455), (90, 1426764), (108, 1188970), (120, 1070073), (135, 951176), (180, 713382), (216, 594485), (270, 475588), (360, 356691), (540, 237794), (1080, 118897)]