68661040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122609}}^1$

素因数の和:122629

約数の個数: 40

約数和(自身を含む): 182443680

約数和(自身を除く): 113782640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122609, 245218, 490436, 613045, 858263, 980872, 1226090, 1716526, 1961744, 2452180, 3433052, 4291315, 4904360, 6866104, 8582630, 9808720, 13732208, 17165260, 34330520, 68661040]

約数ペア:

[(1, 68661040), (2, 34330520), (4, 17165260), (5, 13732208), (7, 9808720), (8, 8582630), (10, 6866104), (14, 4904360), (16, 4291315), (20, 3433052), (28, 2452180), (35, 1961744), (40, 1716526), (56, 1226090), (70, 980872), (80, 858263), (112, 613045), (140, 490436), (280, 245218), (560, 122609)]