121519040

素因数分解:

$2^6\times 5^1\times {\mathrm{401}}^1\times {\mathrm{947}}^1$

素因数の和:1365

約数の個数: 56

約数和(自身を含む): 290395152

約数和(自身を除く): 168876112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 802, 947, 1604, 1894, 2005, 3208, 3788, 4010, 4735, 6416, 7576, 8020, 9470, 12832, 15152, 16040, 18940, 25664, 30304, 32080, 37880, 60608, 64160, 75760, 128320, 151520, 303040, 379747, 759494, 1518988, 1898735, 3037976, 3797470, 6075952, 7594940, 12151904, 15189880, 24303808, 30379760, 60759520, 121519040]

約数ペア:

[(1, 121519040), (2, 60759520), (4, 30379760), (5, 24303808), (8, 15189880), (10, 12151904), (16, 7594940), (20, 6075952), (32, 3797470), (40, 3037976), (64, 1898735), (80, 1518988), (160, 759494), (320, 379747), (401, 303040), (802, 151520), (947, 128320), (1604, 75760), (1894, 64160), (2005, 60608), (3208, 37880), (3788, 32080), (4010, 30304), (4735, 25664), (6416, 18940), (7576, 16040), (8020, 15152), (9470, 12832)]