64372280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{32843}}^1$

素因数の和:32868

約数の個数: 48

約数和(自身を含む): 168489720

約数和(自身を除く): 104117440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 32843, 65686, 131372, 164215, 229901, 262744, 328430, 459802, 656860, 919604, 1149505, 1313720, 1609307, 1839208, 2299010, 3218614, 4598020, 6437228, 8046535, 9196040, 12874456, 16093070, 32186140, 64372280]

約数ペア:

[(1, 64372280), (2, 32186140), (4, 16093070), (5, 12874456), (7, 9196040), (8, 8046535), (10, 6437228), (14, 4598020), (20, 3218614), (28, 2299010), (35, 1839208), (40, 1609307), (49, 1313720), (56, 1149505), (70, 919604), (98, 656860), (140, 459802), (196, 328430), (245, 262744), (280, 229901), (392, 164215), (490, 131372), (980, 65686), (1960, 32843)]