79760240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20347}}^1$

素因数の和:20374

約数の個数: 60

約数和(自身を含む): 215729496

約数和(自身を除く): 135969256

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, 392, 490, 560, 784, 980, 1960, 3920, 20347, 40694, 81388, 101735, 142429, 162776, 203470, 284858, 325552, 406940, 569716, 712145, 813880, 997003, 1139432, 1424290, 1627760, 1994006, 2278864, 2848580, 3988012, 4985015, 5697160, 7976024, 9970030, 11394320, 15952048, 19940060, 39880120, 79760240]

約数ペア:

[(1, 79760240), (2, 39880120), (4, 19940060), (5, 15952048), (7, 11394320), (8, 9970030), (10, 7976024), (14, 5697160), (16, 4985015), (20, 3988012), (28, 2848580), (35, 2278864), (40, 1994006), (49, 1627760), (56, 1424290), (70, 1139432), (80, 997003), (98, 813880), (112, 712145), (140, 569716), (196, 406940), (245, 325552), (280, 284858), (392, 203470), (490, 162776), (560, 142429), (784, 101735), (980, 81388), (1960, 40694), (3920, 20347)]