256432440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194267}}^1$

素因数の和:194292

約数の個数: 64

約数和(自身を含む): 839237760

約数和(自身を除く): 582805320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 194267, 388534, 582801, 777068, 971335, 1165602, 1554136, 1942670, 2136937, 2331204, 2914005, 3885340, 4273874, 4662408, 5828010, 6410811, 7770680, 8547748, 10684685, 11656020, 12821622, 17095496, 21369370, 23312040, 25643244, 32054055, 42738740, 51286488, 64108110, 85477480, 128216220, 256432440]

約数ペア:

[(1, 256432440), (2, 128216220), (3, 85477480), (4, 64108110), (5, 51286488), (6, 42738740), (8, 32054055), (10, 25643244), (11, 23312040), (12, 21369370), (15, 17095496), (20, 12821622), (22, 11656020), (24, 10684685), (30, 8547748), (33, 7770680), (40, 6410811), (44, 5828010), (55, 4662408), (60, 4273874), (66, 3885340), (88, 2914005), (110, 2331204), (120, 2136937), (132, 1942670), (165, 1554136), (220, 1165602), (264, 971335), (330, 777068), (440, 582801), (660, 388534), (1320, 194267)]