217572840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{604369}}^1$

素因数の和:604386

約数の個数: 48

約数和(自身を含む): 707112900

約数和(自身を除く): 489540060

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, 604369, 1208738, 1813107, 2417476, 3021845, 3626214, 4834952, 5439321, 6043690, 7252428, 9065535, 10878642, 12087380, 14504856, 18131070, 21757284, 24174760, 27196605, 36262140, 43514568, 54393210, 72524280, 108786420, 217572840]

約数ペア:

[(1, 217572840), (2, 108786420), (3, 72524280), (4, 54393210), (5, 43514568), (6, 36262140), (8, 27196605), (9, 24174760), (10, 21757284), (12, 18131070), (15, 14504856), (18, 12087380), (20, 10878642), (24, 9065535), (30, 7252428), (36, 6043690), (40, 5439321), (45, 4834952), (60, 3626214), (72, 3021845), (90, 2417476), (120, 1813107), (180, 1208738), (360, 604369)]