8181720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{22727}}^1$

素因数の和:22744

約数の個数: 48

約数和(自身を含む): 26591760

約数和(自身を除く): 18410040

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, 22727, 45454, 68181, 90908, 113635, 136362, 181816, 204543, 227270, 272724, 340905, 409086, 454540, 545448, 681810, 818172, 909080, 1022715, 1363620, 1636344, 2045430, 2727240, 4090860, 8181720]

約数ペア:

[(1, 8181720), (2, 4090860), (3, 2727240), (4, 2045430), (5, 1636344), (6, 1363620), (8, 1022715), (9, 909080), (10, 818172), (12, 681810), (15, 545448), (18, 454540), (20, 409086), (24, 340905), (30, 272724), (36, 227270), (40, 204543), (45, 181816), (60, 136362), (72, 113635), (90, 90908), (120, 68181), (180, 45454), (360, 22727)]