28180080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39139}}^1$

素因数の和:39158

約数の個数: 60

約数和(自身を含む): 94640520

約数和(自身を除く): 66460440

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, 39139, 78278, 117417, 156556, 195695, 234834, 313112, 352251, 391390, 469668, 587085, 626224, 704502, 782780, 939336, 1174170, 1409004, 1565560, 1761255, 1878672, 2348340, 2818008, 3131120, 3522510, 4696680, 5636016, 7045020, 9393360, 14090040, 28180080]

約数ペア:

[(1, 28180080), (2, 14090040), (3, 9393360), (4, 7045020), (5, 5636016), (6, 4696680), (8, 3522510), (9, 3131120), (10, 2818008), (12, 2348340), (15, 1878672), (16, 1761255), (18, 1565560), (20, 1409004), (24, 1174170), (30, 939336), (36, 782780), (40, 704502), (45, 626224), (48, 587085), (60, 469668), (72, 391390), (80, 352251), (90, 313112), (120, 234834), (144, 195695), (180, 156556), (240, 117417), (360, 78278), (720, 39139)]