287220840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2393507}}^1$

素因数の和:2393521

約数の個数: 32

約数和(自身を含む): 861662880

約数和(自身を除く): 574442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2393507, 4787014, 7180521, 9574028, 11967535, 14361042, 19148056, 23935070, 28722084, 35902605, 47870140, 57444168, 71805210, 95740280, 143610420, 287220840]

約数ペア:

[(1, 287220840), (2, 143610420), (3, 95740280), (4, 71805210), (5, 57444168), (6, 47870140), (8, 35902605), (10, 28722084), (12, 23935070), (15, 19148056), (20, 14361042), (24, 11967535), (30, 9574028), (40, 7180521), (60, 4787014), (120, 2393507)]