79822960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2909}}^1$

素因数の和:2943

約数の個数: 80

約数和(自身を含む): 216504000

約数和(自身を除く): 136681040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 2909, 3430, 3920, 5488, 5818, 6860, 11636, 13720, 14545, 20363, 23272, 27440, 29090, 40726, 46544, 58180, 81452, 101815, 116360, 142541, 162904, 203630, 232720, 285082, 325808, 407260, 570164, 712705, 814520, 997787, 1140328, 1425410, 1629040, 1995574, 2280656, 2850820, 3991148, 4988935, 5701640, 7982296, 9977870, 11403280, 15964592, 19955740, 39911480, 79822960]

約数ペア:

[(1, 79822960), (2, 39911480), (4, 19955740), (5, 15964592), (7, 11403280), (8, 9977870), (10, 7982296), (14, 5701640), (16, 4988935), (20, 3991148), (28, 2850820), (35, 2280656), (40, 1995574), (49, 1629040), (56, 1425410), (70, 1140328), (80, 997787), (98, 814520), (112, 712705), (140, 570164), (196, 407260), (245, 325808), (280, 285082), (343, 232720), (392, 203630), (490, 162904), (560, 142541), (686, 116360), (784, 101815), (980, 81452), (1372, 58180), (1715, 46544), (1960, 40726), (2744, 29090), (2909, 27440), (3430, 23272), (3920, 20363), (5488, 14545), (5818, 13720), (6860, 11636)]