180640332

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{25471}}^1$

素因数の和:25678

約数の個数: 36

約数和(自身を含む): 458954496

約数和(自身を除く): 278314164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 3546, 7092, 25471, 50942, 76413, 101884, 152826, 229239, 305652, 458478, 916956, 5017787, 10035574, 15053361, 20071148, 30106722, 45160083, 60213444, 90320166, 180640332]

約数ペア:

[(1, 180640332), (2, 90320166), (3, 60213444), (4, 45160083), (6, 30106722), (9, 20071148), (12, 15053361), (18, 10035574), (36, 5017787), (197, 916956), (394, 458478), (591, 305652), (788, 229239), (1182, 152826), (1773, 101884), (2364, 76413), (3546, 50942), (7092, 25471)]