64546720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8233}}^1$

素因数の和:8262

約数の個数: 72

約数和(自身を含む): 177409764

約数和(自身を除く): 112863044

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8233, 16466, 32932, 41165, 57631, 65864, 82330, 115262, 131728, 164660, 230524, 263456, 288155, 329320, 403417, 461048, 576310, 658640, 806834, 922096, 1152620, 1317280, 1613668, 1844192, 2017085, 2305240, 3227336, 4034170, 4610480, 6454672, 8068340, 9220960, 12909344, 16136680, 32273360, 64546720]

約数ペア:

[(1, 64546720), (2, 32273360), (4, 16136680), (5, 12909344), (7, 9220960), (8, 8068340), (10, 6454672), (14, 4610480), (16, 4034170), (20, 3227336), (28, 2305240), (32, 2017085), (35, 1844192), (40, 1613668), (49, 1317280), (56, 1152620), (70, 922096), (80, 806834), (98, 658640), (112, 576310), (140, 461048), (160, 403417), (196, 329320), (224, 288155), (245, 263456), (280, 230524), (392, 164660), (490, 131728), (560, 115262), (784, 82330), (980, 65864), (1120, 57631), (1568, 41165), (1960, 32932), (3920, 16466), (7840, 8233)]