1553454920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1\times {\mathrm{1259}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 3542616000

約数和(自身を除く): 1989161080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 283, 436, 545, 566, 872, 1090, 1132, 1259, 1415, 2180, 2264, 2518, 2830, 4360, 5036, 5660, 6295, 10072, 11320, 12590, 25180, 30847, 50360, 61694, 123388, 137231, 154235, 246776, 274462, 308470, 356297, 548924, 616940, 686155, 712594, 1097848, 1233880, 1372310, 1425188, 1781485, 2744620, 2850376, 3562970, 5489240, 7125940, 14251880, 38836373, 77672746, 155345492, 194181865, 310690984, 388363730, 776727460, 1553454920]

約数ペア:

[(1, 1553454920), (2, 776727460), (4, 388363730), (5, 310690984), (8, 194181865), (10, 155345492), (20, 77672746), (40, 38836373), (109, 14251880), (218, 7125940), (283, 5489240), (436, 3562970), (545, 2850376), (566, 2744620), (872, 1781485), (1090, 1425188), (1132, 1372310), (1259, 1233880), (1415, 1097848), (2180, 712594), (2264, 686155), (2518, 616940), (2830, 548924), (4360, 356297), (5036, 308470), (5660, 274462), (6295, 246776), (10072, 154235), (11320, 137231), (12590, 123388), (25180, 61694), (30847, 50360)]