51452460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1451}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 156972816

約数和(自身を除く): 105520356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1451, 1773, 1970, 2364, 2902, 2955, 3546, 3940, 4353, 5804, 5910, 7092, 7255, 8706, 8865, 11820, 13059, 14510, 17412, 17730, 21765, 26118, 29020, 35460, 43530, 52236, 65295, 87060, 130590, 261180, 285847, 571694, 857541, 1143388, 1429235, 1715082, 2572623, 2858470, 3430164, 4287705, 5145246, 5716940, 8575410, 10290492, 12863115, 17150820, 25726230, 51452460]

約数ペア:

[(1, 51452460), (2, 25726230), (3, 17150820), (4, 12863115), (5, 10290492), (6, 8575410), (9, 5716940), (10, 5145246), (12, 4287705), (15, 3430164), (18, 2858470), (20, 2572623), (30, 1715082), (36, 1429235), (45, 1143388), (60, 857541), (90, 571694), (180, 285847), (197, 261180), (394, 130590), (591, 87060), (788, 65295), (985, 52236), (1182, 43530), (1451, 35460), (1773, 29020), (1970, 26118), (2364, 21765), (2902, 17730), (2955, 17412), (3546, 14510), (3940, 13059), (4353, 11820), (5804, 8865), (5910, 8706), (7092, 7255)]