31306980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4787}}^1$

素因数の和:4908

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 57175260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 4787, 6540, 9574, 14361, 19148, 23935, 28722, 47870, 57444, 71805, 95740, 143610, 287220, 521783, 1043566, 1565349, 2087132, 2608915, 3130698, 5217830, 6261396, 7826745, 10435660, 15653490, 31306980]

約数ペア:

[(1, 31306980), (2, 15653490), (3, 10435660), (4, 7826745), (5, 6261396), (6, 5217830), (10, 3130698), (12, 2608915), (15, 2087132), (20, 1565349), (30, 1043566), (60, 521783), (109, 287220), (218, 143610), (327, 95740), (436, 71805), (545, 57444), (654, 47870), (1090, 28722), (1308, 23935), (1635, 19148), (2180, 14361), (3270, 9574), (4787, 6540)]