128536425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 245475360

約数和(自身を除く): 116938935

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 107, 171, 225, 281, 285, 321, 475, 535, 843, 855, 963, 1405, 1425, 1605, 2033, 2529, 2675, 4215, 4275, 4815, 5339, 6099, 7025, 8025, 10165, 12645, 16017, 18297, 21075, 24075, 26695, 30067, 30495, 48051, 50825, 63225, 80085, 90201, 91485, 133475, 150335, 152475, 240255, 270603, 400425, 451005, 457425, 571273, 751675, 1201275, 1353015, 1713819, 2255025, 2856365, 5141457, 6765075, 8569095, 14281825, 25707285, 42845475, 128536425]

約数ペア:

[(1, 128536425), (3, 42845475), (5, 25707285), (9, 14281825), (15, 8569095), (19, 6765075), (25, 5141457), (45, 2856365), (57, 2255025), (75, 1713819), (95, 1353015), (107, 1201275), (171, 751675), (225, 571273), (281, 457425), (285, 451005), (321, 400425), (475, 270603), (535, 240255), (843, 152475), (855, 150335), (963, 133475), (1405, 91485), (1425, 90201), (1605, 80085), (2033, 63225), (2529, 50825), (2675, 48051), (4215, 30495), (4275, 30067), (4815, 26695), (5339, 24075), (6099, 21075), (7025, 18297), (8025, 16017), (10165, 12645)]