212042040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252431}}^1$

素因数の和:252452

約数の個数: 64

約数和(自身を含む): 727004160

約数和(自身を除く): 514962120

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, 252431, 504862, 757293, 1009724, 1262155, 1514586, 1767017, 2019448, 2524310, 3029172, 3534034, 3786465, 5048620, 5301051, 6058344, 7068068, 7572930, 8835085, 10097240, 10602102, 14136136, 15145860, 17670170, 21204204, 26505255, 30291720, 35340340, 42408408, 53010510, 70680680, 106021020, 212042040]

約数ペア:

[(1, 212042040), (2, 106021020), (3, 70680680), (4, 53010510), (5, 42408408), (6, 35340340), (7, 30291720), (8, 26505255), (10, 21204204), (12, 17670170), (14, 15145860), (15, 14136136), (20, 10602102), (21, 10097240), (24, 8835085), (28, 7572930), (30, 7068068), (35, 6058344), (40, 5301051), (42, 5048620), (56, 3786465), (60, 3534034), (70, 3029172), (84, 2524310), (105, 2019448), (120, 1767017), (140, 1514586), (168, 1262155), (210, 1009724), (280, 757293), (420, 504862), (840, 252431)]