131020920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{363947}}^1$

素因数の和:363964

約数の個数: 48

約数和(自身を含む): 425819160

約数和(自身を除く): 294798240

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, 363947, 727894, 1091841, 1455788, 1819735, 2183682, 2911576, 3275523, 3639470, 4367364, 5459205, 6551046, 7278940, 8734728, 10918410, 13102092, 14557880, 16377615, 21836820, 26204184, 32755230, 43673640, 65510460, 131020920]

約数ペア:

[(1, 131020920), (2, 65510460), (3, 43673640), (4, 32755230), (5, 26204184), (6, 21836820), (8, 16377615), (9, 14557880), (10, 13102092), (12, 10918410), (15, 8734728), (18, 7278940), (20, 6551046), (24, 5459205), (30, 4367364), (36, 3639470), (40, 3275523), (45, 2911576), (60, 2183682), (72, 1819735), (90, 1455788), (120, 1091841), (180, 727894), (360, 363947)]