218781720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{607727}}^1$

素因数の和:607744

約数の個数: 48

約数和(自身を含む): 711041760

約数和(自身を除く): 492260040

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, 607727, 1215454, 1823181, 2430908, 3038635, 3646362, 4861816, 5469543, 6077270, 7292724, 9115905, 10939086, 12154540, 14585448, 18231810, 21878172, 24309080, 27347715, 36463620, 43756344, 54695430, 72927240, 109390860, 218781720]

約数ペア:

[(1, 218781720), (2, 109390860), (3, 72927240), (4, 54695430), (5, 43756344), (6, 36463620), (8, 27347715), (9, 24309080), (10, 21878172), (12, 18231810), (15, 14585448), (18, 12154540), (20, 10939086), (24, 9115905), (30, 7292724), (36, 6077270), (40, 5469543), (45, 4861816), (60, 3646362), (72, 3038635), (90, 2430908), (120, 1823181), (180, 1215454), (360, 607727)]