64950900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 217236096

約数和(自身を除く): 152285196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 197, 210, 300, 314, 350, 394, 420, 471, 525, 591, 628, 700, 785, 788, 942, 985, 1050, 1099, 1182, 1379, 1570, 1884, 1970, 2100, 2198, 2355, 2364, 2758, 2955, 3140, 3297, 3925, 3940, 4137, 4396, 4710, 4925, 5495, 5516, 5910, 6594, 6895, 7850, 8274, 9420, 9850, 10990, 11775, 11820, 13188, 13790, 14775, 15700, 16485, 16548, 19700, 20685, 21980, 23550, 27475, 27580, 29550, 30929, 32970, 34475, 41370, 47100, 54950, 59100, 61858, 65940, 68950, 82425, 82740, 92787, 103425, 109900, 123716, 137900, 154645, 164850, 185574, 206850, 216503, 309290, 329700, 371148, 413700, 433006, 463935, 618580, 649509, 773225, 866012, 927870, 1082515, 1299018, 1546450, 1855740, 2165030, 2319675, 2598036, 3092900, 3247545, 4330060, 4639350, 5412575, 6495090, 9278700, 10825150, 12990180, 16237725, 21650300, 32475450, 64950900]

約数ペア:

[(1, 64950900), (2, 32475450), (3, 21650300), (4, 16237725), (5, 12990180), (6, 10825150), (7, 9278700), (10, 6495090), (12, 5412575), (14, 4639350), (15, 4330060), (20, 3247545), (21, 3092900), (25, 2598036), (28, 2319675), (30, 2165030), (35, 1855740), (42, 1546450), (50, 1299018), (60, 1082515), (70, 927870), (75, 866012), (84, 773225), (100, 649509), (105, 618580), (140, 463935), (150, 433006), (157, 413700), (175, 371148), (197, 329700), (210, 309290), (300, 216503), (314, 206850), (350, 185574), (394, 164850), (420, 154645), (471, 137900), (525, 123716), (591, 109900), (628, 103425), (700, 92787), (785, 82740), (788, 82425), (942, 68950), (985, 65940), (1050, 61858), (1099, 59100), (1182, 54950), (1379, 47100), (1570, 41370), (1884, 34475), (1970, 32970), (2100, 30929), (2198, 29550), (2355, 27580), (2364, 27475), (2758, 23550), (2955, 21980), (3140, 20685), (3297, 19700), (3925, 16548), (3940, 16485), (4137, 15700), (4396, 14775), (4710, 13790), (4925, 13188), (5495, 11820), (5516, 11775), (5910, 10990), (6594, 9850), (6895, 9420), (7850, 8274)]