123672720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2053}}^1$

素因数の和:2320

約数の個数: 80

約数和(自身を含む): 385100352

約数和(自身を除く): 261427632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2053, 2510, 3012, 3765, 4016, 4106, 5020, 6024, 6159, 7530, 8212, 10040, 10265, 12048, 12318, 15060, 16424, 20080, 20530, 24636, 30120, 30795, 32848, 41060, 49272, 60240, 61590, 82120, 98544, 123180, 164240, 246360, 492720, 515303, 1030606, 1545909, 2061212, 2576515, 3091818, 4122424, 5153030, 6183636, 7729545, 8244848, 10306060, 12367272, 15459090, 20612120, 24734544, 30918180, 41224240, 61836360, 123672720]

約数ペア:

[(1, 123672720), (2, 61836360), (3, 41224240), (4, 30918180), (5, 24734544), (6, 20612120), (8, 15459090), (10, 12367272), (12, 10306060), (15, 8244848), (16, 7729545), (20, 6183636), (24, 5153030), (30, 4122424), (40, 3091818), (48, 2576515), (60, 2061212), (80, 1545909), (120, 1030606), (240, 515303), (251, 492720), (502, 246360), (753, 164240), (1004, 123180), (1255, 98544), (1506, 82120), (2008, 61590), (2053, 60240), (2510, 49272), (3012, 41060), (3765, 32848), (4016, 30795), (4106, 30120), (5020, 24636), (6024, 20530), (6159, 20080), (7530, 16424), (8212, 15060), (10040, 12318), (10265, 12048)]