78808470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 204603840

約数和(自身を除く): 125795370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 397, 509, 794, 1018, 1191, 1527, 1985, 2382, 2545, 3054, 3970, 5090, 5161, 5955, 6617, 7635, 10322, 11910, 13234, 15270, 15483, 19851, 25805, 30966, 33085, 39702, 51610, 66170, 77415, 99255, 154830, 198510, 202073, 404146, 606219, 1010365, 1212438, 2020730, 2626949, 3031095, 5253898, 6062190, 7880847, 13134745, 15761694, 26269490, 39404235, 78808470]

約数ペア:

[(1, 78808470), (2, 39404235), (3, 26269490), (5, 15761694), (6, 13134745), (10, 7880847), (13, 6062190), (15, 5253898), (26, 3031095), (30, 2626949), (39, 2020730), (65, 1212438), (78, 1010365), (130, 606219), (195, 404146), (390, 202073), (397, 198510), (509, 154830), (794, 99255), (1018, 77415), (1191, 66170), (1527, 51610), (1985, 39702), (2382, 33085), (2545, 30966), (3054, 25805), (3970, 19851), (5090, 15483), (5161, 15270), (5955, 13234), (6617, 11910), (7635, 10322)]