128313640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35251}}^1$

素因数の和:35282

約数の個数: 64

約数和(自身を含む): 355340160

約数和(自身を除く): 227026520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 35251, 70502, 141004, 176255, 246757, 282008, 352510, 458263, 493514, 705020, 916526, 987028, 1233785, 1410040, 1833052, 1974056, 2291315, 2467570, 3207841, 3666104, 4582630, 4935140, 6415682, 9165260, 9870280, 12831364, 16039205, 18330520, 25662728, 32078410, 64156820, 128313640]

約数ペア:

[(1, 128313640), (2, 64156820), (4, 32078410), (5, 25662728), (7, 18330520), (8, 16039205), (10, 12831364), (13, 9870280), (14, 9165260), (20, 6415682), (26, 4935140), (28, 4582630), (35, 3666104), (40, 3207841), (52, 2467570), (56, 2291315), (65, 1974056), (70, 1833052), (91, 1410040), (104, 1233785), (130, 987028), (140, 916526), (182, 705020), (260, 493514), (280, 458263), (364, 352510), (455, 282008), (520, 246757), (728, 176255), (910, 141004), (1820, 70502), (3640, 35251)]