66318280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{547}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 171239040

約数和(自身を除く): 104920760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 547, 866, 1094, 1732, 2165, 2188, 2735, 3031, 3464, 3829, 4330, 4376, 5470, 6062, 7658, 8660, 10940, 12124, 15155, 15316, 17320, 19145, 21880, 24248, 30310, 30632, 38290, 60620, 76580, 121240, 153160, 236851, 473702, 947404, 1184255, 1657957, 1894808, 2368510, 3315914, 4737020, 6631828, 8289785, 9474040, 13263656, 16579570, 33159140, 66318280]

約数ペア:

[(1, 66318280), (2, 33159140), (4, 16579570), (5, 13263656), (7, 9474040), (8, 8289785), (10, 6631828), (14, 4737020), (20, 3315914), (28, 2368510), (35, 1894808), (40, 1657957), (56, 1184255), (70, 947404), (140, 473702), (280, 236851), (433, 153160), (547, 121240), (866, 76580), (1094, 60620), (1732, 38290), (2165, 30632), (2188, 30310), (2735, 24248), (3031, 21880), (3464, 19145), (3829, 17320), (4330, 15316), (4376, 15155), (5470, 12124), (6062, 10940), (7658, 8660)]