131031720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{363977}}^1$

素因数の和:363994

約数の個数: 48

約数和(自身を含む): 425854260

約数和(自身を除く): 294822540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 363977, 727954, 1091931, 1455908, 1819885, 2183862, 2911816, 3275793, 3639770, 4367724, 5459655, 6551586, 7279540, 8735448, 10919310, 13103172, 14559080, 16378965, 21838620, 26206344, 32757930, 43677240, 65515860, 131031720]

約数ペア:

[(1, 131031720), (2, 65515860), (3, 43677240), (4, 32757930), (5, 26206344), (6, 21838620), (8, 16378965), (9, 14559080), (10, 13103172), (12, 10919310), (15, 8735448), (18, 7279540), (20, 6551586), (24, 5459655), (30, 4367724), (36, 3639770), (40, 3275793), (45, 2911816), (60, 2183862), (72, 1819885), (90, 1455908), (120, 1091931), (180, 727954), (360, 363977)]