15550020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{86389}}^1$

素因数の和:86404

約数の個数: 36

約数和(自身を含む): 47168940

約数和(自身を除く): 31618920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 86389, 172778, 259167, 345556, 431945, 518334, 777501, 863890, 1036668, 1295835, 1555002, 1727780, 2591670, 3110004, 3887505, 5183340, 7775010, 15550020]

約数ペア:

[(1, 15550020), (2, 7775010), (3, 5183340), (4, 3887505), (5, 3110004), (6, 2591670), (9, 1727780), (10, 1555002), (12, 1295835), (15, 1036668), (18, 863890), (20, 777501), (30, 518334), (36, 431945), (45, 345556), (60, 259167), (90, 172778), (180, 86389)]