204062820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261619}}^1$

素因数の和:261644

約数の個数: 48

約数和(自身を含む): 615330240

約数和(自身を除く): 411267420

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, 261619, 523238, 784857, 1046476, 1308095, 1569714, 2616190, 3139428, 3401047, 3924285, 5232380, 6802094, 7848570, 10203141, 13604188, 15697140, 17005235, 20406282, 34010470, 40812564, 51015705, 68020940, 102031410, 204062820]

約数ペア:

[(1, 204062820), (2, 102031410), (3, 68020940), (4, 51015705), (5, 40812564), (6, 34010470), (10, 20406282), (12, 17005235), (13, 15697140), (15, 13604188), (20, 10203141), (26, 7848570), (30, 6802094), (39, 5232380), (52, 3924285), (60, 3401047), (65, 3139428), (78, 2616190), (130, 1569714), (156, 1308095), (195, 1046476), (260, 784857), (390, 523238), (780, 261619)]