202720120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 482112000

約数和(自身を除く): 279391880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 359, 380, 718, 743, 760, 1436, 1486, 1795, 2872, 2972, 3590, 3715, 5944, 6821, 7180, 7430, 13642, 14117, 14360, 14860, 27284, 28234, 29720, 34105, 54568, 56468, 68210, 70585, 112936, 136420, 141170, 266737, 272840, 282340, 533474, 564680, 1066948, 1333685, 2133896, 2667370, 5068003, 5334740, 10136006, 10669480, 20272012, 25340015, 40544024, 50680030, 101360060, 202720120]

約数ペア:

[(1, 202720120), (2, 101360060), (4, 50680030), (5, 40544024), (8, 25340015), (10, 20272012), (19, 10669480), (20, 10136006), (38, 5334740), (40, 5068003), (76, 2667370), (95, 2133896), (152, 1333685), (190, 1066948), (359, 564680), (380, 533474), (718, 282340), (743, 272840), (760, 266737), (1436, 141170), (1486, 136420), (1795, 112936), (2872, 70585), (2972, 68210), (3590, 56468), (3715, 54568), (5944, 34105), (6821, 29720), (7180, 28234), (7430, 27284), (13642, 14860), (14117, 14360)]