254890680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6229}}^1$

素因数の和:6285

約数の個数: 128

約数和(自身を含む): 861235200

約数和(自身を除く): 606344520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6229, 6820, 8184, 10230, 12458, 13640, 18687, 20460, 24916, 31145, 37374, 40920, 49832, 62290, 68519, 74748, 93435, 124580, 137038, 149496, 186870, 193099, 205557, 249160, 274076, 342595, 373740, 386198, 411114, 548152, 579297, 685190, 747480, 772396, 822228, 965495, 1027785, 1158594, 1370380, 1544792, 1644456, 1930990, 2055570, 2124089, 2317188, 2740760, 2896485, 3861980, 4111140, 4248178, 4634376, 5792970, 6372267, 7723960, 8222280, 8496356, 10620445, 11585940, 12744534, 16992712, 21240890, 23171880, 25489068, 31861335, 42481780, 50978136, 63722670, 84963560, 127445340, 254890680]

約数ペア:

[(1, 254890680), (2, 127445340), (3, 84963560), (4, 63722670), (5, 50978136), (6, 42481780), (8, 31861335), (10, 25489068), (11, 23171880), (12, 21240890), (15, 16992712), (20, 12744534), (22, 11585940), (24, 10620445), (30, 8496356), (31, 8222280), (33, 7723960), (40, 6372267), (44, 5792970), (55, 4634376), (60, 4248178), (62, 4111140), (66, 3861980), (88, 2896485), (93, 2740760), (110, 2317188), (120, 2124089), (124, 2055570), (132, 1930990), (155, 1644456), (165, 1544792), (186, 1370380), (220, 1158594), (248, 1027785), (264, 965495), (310, 822228), (330, 772396), (341, 747480), (372, 685190), (440, 579297), (465, 548152), (620, 411114), (660, 386198), (682, 373740), (744, 342595), (930, 274076), (1023, 249160), (1240, 205557), (1320, 193099), (1364, 186870), (1705, 149496), (1860, 137038), (2046, 124580), (2728, 93435), (3410, 74748), (3720, 68519), (4092, 62290), (5115, 49832), (6229, 40920), (6820, 37374), (8184, 31145), (10230, 24916), (12458, 20460), (13640, 18687)]