256381890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{6661}}^1$

素因数の和:7954

約数の個数: 32

約数和(自身を含む): 615888576

約数和(自身を除く): 359506686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1283, 2566, 3849, 6415, 6661, 7698, 12830, 13322, 19245, 19983, 33305, 38490, 39966, 66610, 99915, 199830, 8546063, 17092126, 25638189, 42730315, 51276378, 85460630, 128190945, 256381890]

約数ペア:

[(1, 256381890), (2, 128190945), (3, 85460630), (5, 51276378), (6, 42730315), (10, 25638189), (15, 17092126), (30, 8546063), (1283, 199830), (2566, 99915), (3849, 66610), (6415, 39966), (6661, 38490), (7698, 33305), (12830, 19983), (13322, 19245)]