1285451220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{26417}}^1$

素因数の和:27240

約数の個数: 48

約数和(自身を含む): 3603837888

約数和(自身を除く): 2318386668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 811, 1622, 2433, 3244, 4055, 4866, 8110, 9732, 12165, 16220, 24330, 26417, 48660, 52834, 79251, 105668, 132085, 158502, 264170, 317004, 396255, 528340, 792510, 1585020, 21424187, 42848374, 64272561, 85696748, 107120935, 128545122, 214241870, 257090244, 321362805, 428483740, 642725610, 1285451220]

約数ペア:

[(1, 1285451220), (2, 642725610), (3, 428483740), (4, 321362805), (5, 257090244), (6, 214241870), (10, 128545122), (12, 107120935), (15, 85696748), (20, 64272561), (30, 42848374), (60, 21424187), (811, 1585020), (1622, 792510), (2433, 528340), (3244, 396255), (4055, 317004), (4866, 264170), (8110, 158502), (9732, 132085), (12165, 105668), (16220, 79251), (24330, 52834), (26417, 48660)]