138510120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{164893}}^1$

素因数の和:164914

約数の個数: 64

約数和(自身を含む): 474894720

約数和(自身を除く): 336384600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 164893, 329786, 494679, 659572, 824465, 989358, 1154251, 1319144, 1648930, 1978716, 2308502, 2473395, 3297860, 3462753, 3957432, 4617004, 4946790, 5771255, 6595720, 6925506, 9234008, 9893580, 11542510, 13851012, 17313765, 19787160, 23085020, 27702024, 34627530, 46170040, 69255060, 138510120]

約数ペア:

[(1, 138510120), (2, 69255060), (3, 46170040), (4, 34627530), (5, 27702024), (6, 23085020), (7, 19787160), (8, 17313765), (10, 13851012), (12, 11542510), (14, 9893580), (15, 9234008), (20, 6925506), (21, 6595720), (24, 5771255), (28, 4946790), (30, 4617004), (35, 3957432), (40, 3462753), (42, 3297860), (56, 2473395), (60, 2308502), (70, 1978716), (84, 1648930), (105, 1319144), (120, 1154251), (140, 989358), (168, 824465), (210, 659572), (280, 494679), (420, 329786), (840, 164893)]