21845520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30341}}^1$

素因数の和:30360

約数の個数: 60

約数和(自身を含む): 73366956

約数和(自身を除く): 51521436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30341, 60682, 91023, 121364, 151705, 182046, 242728, 273069, 303410, 364092, 455115, 485456, 546138, 606820, 728184, 910230, 1092276, 1213640, 1365345, 1456368, 1820460, 2184552, 2427280, 2730690, 3640920, 4369104, 5461380, 7281840, 10922760, 21845520]

約数ペア:

[(1, 21845520), (2, 10922760), (3, 7281840), (4, 5461380), (5, 4369104), (6, 3640920), (8, 2730690), (9, 2427280), (10, 2184552), (12, 1820460), (15, 1456368), (16, 1365345), (18, 1213640), (20, 1092276), (24, 910230), (30, 728184), (36, 606820), (40, 546138), (45, 485456), (48, 455115), (60, 364092), (72, 303410), (80, 273069), (90, 242728), (120, 182046), (144, 151705), (180, 121364), (240, 91023), (360, 60682), (720, 30341)]