221983920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{308311}}^1$

素因数の和:308330

約数の個数: 60

約数和(自身を含む): 745498416

約数和(自身を除く): 523514496

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, 308311, 616622, 924933, 1233244, 1541555, 1849866, 2466488, 2774799, 3083110, 3699732, 4624665, 4932976, 5549598, 6166220, 7399464, 9249330, 11099196, 12332440, 13873995, 14798928, 18498660, 22198392, 24664880, 27747990, 36997320, 44396784, 55495980, 73994640, 110991960, 221983920]

約数ペア:

[(1, 221983920), (2, 110991960), (3, 73994640), (4, 55495980), (5, 44396784), (6, 36997320), (8, 27747990), (9, 24664880), (10, 22198392), (12, 18498660), (15, 14798928), (16, 13873995), (18, 12332440), (20, 11099196), (24, 9249330), (30, 7399464), (36, 6166220), (40, 5549598), (45, 4932976), (48, 4624665), (60, 3699732), (72, 3083110), (80, 2774799), (90, 2466488), (120, 1849866), (144, 1541555), (180, 1233244), (240, 924933), (360, 616622), (720, 308311)]