77090720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9833}}^1$

素因数の和:9862

約数の個数: 72

約数和(自身を含む): 211883364

約数和(自身を除く): 134792644

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, 9833, 19666, 39332, 49165, 68831, 78664, 98330, 137662, 157328, 196660, 275324, 314656, 344155, 393320, 481817, 550648, 688310, 786640, 963634, 1101296, 1376620, 1573280, 1927268, 2202592, 2409085, 2753240, 3854536, 4818170, 5506480, 7709072, 9636340, 11012960, 15418144, 19272680, 38545360, 77090720]

約数ペア:

[(1, 77090720), (2, 38545360), (4, 19272680), (5, 15418144), (7, 11012960), (8, 9636340), (10, 7709072), (14, 5506480), (16, 4818170), (20, 3854536), (28, 2753240), (32, 2409085), (35, 2202592), (40, 1927268), (49, 1573280), (56, 1376620), (70, 1101296), (80, 963634), (98, 786640), (112, 688310), (140, 550648), (160, 481817), (196, 393320), (224, 344155), (245, 314656), (280, 275324), (392, 196660), (490, 157328), (560, 137662), (784, 98330), (980, 78664), (1120, 68831), (1568, 49165), (1960, 39332), (3920, 19666), (7840, 9833)]