81290940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79697}}^1$

素因数の和:79726

約数の個数: 48

約数和(自身を含む): 241006752

約数和(自身を除く): 159715812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79697, 159394, 239091, 318788, 398485, 478182, 796970, 956364, 1195455, 1354849, 1593940, 2390910, 2709698, 4064547, 4781820, 5419396, 6774245, 8129094, 13548490, 16258188, 20322735, 27096980, 40645470, 81290940]

約数ペア:

[(1, 81290940), (2, 40645470), (3, 27096980), (4, 20322735), (5, 16258188), (6, 13548490), (10, 8129094), (12, 6774245), (15, 5419396), (17, 4781820), (20, 4064547), (30, 2709698), (34, 2390910), (51, 1593940), (60, 1354849), (68, 1195455), (85, 956364), (102, 796970), (170, 478182), (204, 398485), (255, 318788), (340, 239091), (510, 159394), (1020, 79697)]