28313220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36299}}^1$

素因数の和:36324

約数の個数: 48

約数和(自身を含む): 85377600

約数和(自身を除く): 57064380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36299, 72598, 108897, 145196, 181495, 217794, 362990, 435588, 471887, 544485, 725980, 943774, 1088970, 1415661, 1887548, 2177940, 2359435, 2831322, 4718870, 5662644, 7078305, 9437740, 14156610, 28313220]

約数ペア:

[(1, 28313220), (2, 14156610), (3, 9437740), (4, 7078305), (5, 5662644), (6, 4718870), (10, 2831322), (12, 2359435), (13, 2177940), (15, 1887548), (20, 1415661), (26, 1088970), (30, 943774), (39, 725980), (52, 544485), (60, 471887), (65, 435588), (78, 362990), (130, 217794), (156, 181495), (195, 145196), (260, 108897), (390, 72598), (780, 36299)]