80350020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{446389}}^1$

素因数の和:446404

約数の個数: 36

約数和(自身を含む): 243728940

約数和(自身を除く): 163378920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 446389, 892778, 1339167, 1785556, 2231945, 2678334, 4017501, 4463890, 5356668, 6695835, 8035002, 8927780, 13391670, 16070004, 20087505, 26783340, 40175010, 80350020]

約数ペア:

[(1, 80350020), (2, 40175010), (3, 26783340), (4, 20087505), (5, 16070004), (6, 13391670), (9, 8927780), (10, 8035002), (12, 6695835), (15, 5356668), (18, 4463890), (20, 4017501), (30, 2678334), (36, 2231945), (45, 1785556), (60, 1339167), (90, 892778), (180, 446389)]