123756240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515651}}^1$

素因数の和:515667

約数の個数: 40

約数和(自身を含む): 383645088

約数和(自身を除く): 259888848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515651, 1031302, 1546953, 2062604, 2578255, 3093906, 4125208, 5156510, 6187812, 7734765, 8250416, 10313020, 12375624, 15469530, 20626040, 24751248, 30939060, 41252080, 61878120, 123756240]

約数ペア:

[(1, 123756240), (2, 61878120), (3, 41252080), (4, 30939060), (5, 24751248), (6, 20626040), (8, 15469530), (10, 12375624), (12, 10313020), (15, 8250416), (16, 7734765), (20, 6187812), (24, 5156510), (30, 4125208), (40, 3093906), (48, 2578255), (60, 2062604), (80, 1546953), (120, 1031302), (240, 515651)]