64573040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115309}}^1$

素因数の和:115329

約数の個数: 40

約数和(自身を含む): 171581280

約数和(自身を除く): 107008240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115309, 230618, 461236, 576545, 807163, 922472, 1153090, 1614326, 1844944, 2306180, 3228652, 4035815, 4612360, 6457304, 8071630, 9224720, 12914608, 16143260, 32286520, 64573040]

約数ペア:

[(1, 64573040), (2, 32286520), (4, 16143260), (5, 12914608), (7, 9224720), (8, 8071630), (10, 6457304), (14, 4612360), (16, 4035815), (20, 3228652), (28, 2306180), (35, 1844944), (40, 1614326), (56, 1153090), (70, 922472), (80, 807163), (112, 576545), (140, 461236), (280, 230618), (560, 115309)]