131021640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{363949}}^1$

素因数の和:363966

約数の個数: 48

約数和(自身を含む): 425821500

約数和(自身を除く): 294799860

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, 363949, 727898, 1091847, 1455796, 1819745, 2183694, 2911592, 3275541, 3639490, 4367388, 5459235, 6551082, 7278980, 8734776, 10918470, 13102164, 14557960, 16377705, 21836940, 26204328, 32755410, 43673880, 65510820, 131021640]

約数ペア:

[(1, 131021640), (2, 65510820), (3, 43673880), (4, 32755410), (5, 26204328), (6, 21836940), (8, 16377705), (9, 14557960), (10, 13102164), (12, 10918470), (15, 8734776), (18, 7278980), (20, 6551082), (24, 5459235), (30, 4367388), (36, 3639490), (40, 3275541), (45, 2911592), (60, 2183694), (72, 1819745), (90, 1455796), (120, 1091847), (180, 727898), (360, 363949)]