128115780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164251}}^1$

素因数の和:164276

約数の個数: 48

約数和(自身を含む): 386320704

約数和(自身を除く): 258204924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164251, 328502, 492753, 657004, 821255, 985506, 1642510, 1971012, 2135263, 2463765, 3285020, 4270526, 4927530, 6405789, 8541052, 9855060, 10676315, 12811578, 21352630, 25623156, 32028945, 42705260, 64057890, 128115780]

約数ペア:

[(1, 128115780), (2, 64057890), (3, 42705260), (4, 32028945), (5, 25623156), (6, 21352630), (10, 12811578), (12, 10676315), (13, 9855060), (15, 8541052), (20, 6405789), (26, 4927530), (30, 4270526), (39, 3285020), (52, 2463765), (60, 2135263), (65, 1971012), (78, 1642510), (130, 985506), (156, 821255), (195, 657004), (260, 492753), (390, 328502), (780, 164251)]