80548980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70657}}^1$

素因数の和:70688

約数の個数: 48

約数和(自身を含む): 237410880

約数和(自身を除く): 156861900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 70657, 141314, 211971, 282628, 353285, 423942, 706570, 847884, 1059855, 1342483, 1413140, 2119710, 2684966, 4027449, 4239420, 5369932, 6712415, 8054898, 13424830, 16109796, 20137245, 26849660, 40274490, 80548980]

約数ペア:

[(1, 80548980), (2, 40274490), (3, 26849660), (4, 20137245), (5, 16109796), (6, 13424830), (10, 8054898), (12, 6712415), (15, 5369932), (19, 4239420), (20, 4027449), (30, 2684966), (38, 2119710), (57, 1413140), (60, 1342483), (76, 1059855), (95, 847884), (114, 706570), (190, 423942), (228, 353285), (285, 282628), (380, 211971), (570, 141314), (1140, 70657)]