81938790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{101159}}^1$

素因数の和:101178

約数の個数: 40

約数和(自身を含む): 220326480

約数和(自身を除く): 138387690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 101159, 202318, 303477, 505795, 606954, 910431, 1011590, 1517385, 1820862, 2731293, 3034770, 4552155, 5462586, 8193879, 9104310, 13656465, 16387758, 27312930, 40969395, 81938790]

約数ペア:

[(1, 81938790), (2, 40969395), (3, 27312930), (5, 16387758), (6, 13656465), (9, 9104310), (10, 8193879), (15, 5462586), (18, 4552155), (27, 3034770), (30, 2731293), (45, 1820862), (54, 1517385), (81, 1011590), (90, 910431), (135, 606954), (162, 505795), (270, 303477), (405, 202318), (810, 101159)]