28786980240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39981917}}^1$

素因数の和:39981936

約数の個数: 60

約数和(自身を含む): 96676277724

約数和(自身を除く): 67889297484

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, 39981917, 79963834, 119945751, 159927668, 199909585, 239891502, 319855336, 359837253, 399819170, 479783004, 599728755, 639710672, 719674506, 799638340, 959566008, 1199457510, 1439349012, 1599276680, 1799186265, 1919132016, 2398915020, 2878698024, 3198553360, 3598372530, 4797830040, 5757396048, 7196745060, 9595660080, 14393490120, 28786980240]

約数ペア:

[(1, 28786980240), (2, 14393490120), (3, 9595660080), (4, 7196745060), (5, 5757396048), (6, 4797830040), (8, 3598372530), (9, 3198553360), (10, 2878698024), (12, 2398915020), (15, 1919132016), (16, 1799186265), (18, 1599276680), (20, 1439349012), (24, 1199457510), (30, 959566008), (36, 799638340), (40, 719674506), (45, 639710672), (48, 599728755), (60, 479783004), (72, 399819170), (80, 359837253), (90, 319855336), (120, 239891502), (144, 199909585), (180, 159927668), (240, 119945751), (360, 79963834), (720, 39981917)]