128435400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71353}}^1$

素因数の和:71375

約数の個数: 72

約数和(自身を含む): 431334930

約数和(自身を除く): 302899530

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 71353, 142706, 214059, 285412, 356765, 428118, 570824, 642177, 713530, 856236, 1070295, 1284354, 1427060, 1712472, 1783825, 2140590, 2568708, 2854120, 3210885, 3567650, 4281180, 5137416, 5351475, 6421770, 7135300, 8562360, 10702950, 12843540, 14270600, 16054425, 21405900, 25687080, 32108850, 42811800, 64217700, 128435400]

約数ペア:

[(1, 128435400), (2, 64217700), (3, 42811800), (4, 32108850), (5, 25687080), (6, 21405900), (8, 16054425), (9, 14270600), (10, 12843540), (12, 10702950), (15, 8562360), (18, 7135300), (20, 6421770), (24, 5351475), (25, 5137416), (30, 4281180), (36, 3567650), (40, 3210885), (45, 2854120), (50, 2568708), (60, 2140590), (72, 1783825), (75, 1712472), (90, 1427060), (100, 1284354), (120, 1070295), (150, 856236), (180, 713530), (200, 642177), (225, 570824), (300, 428118), (360, 356765), (450, 285412), (600, 214059), (900, 142706), (1800, 71353)]