64042005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 114255360

約数和(自身を除く): 50213355

約数列:

[1, 3, 5, 15, 23, 29, 37, 69, 87, 111, 115, 145, 173, 185, 345, 435, 519, 555, 667, 851, 865, 1073, 2001, 2553, 2595, 3219, 3335, 3979, 4255, 5017, 5365, 6401, 10005, 11937, 12765, 15051, 16095, 19203, 19895, 24679, 25085, 32005, 59685, 74037, 75255, 96015, 115391, 123395, 147223, 185629, 346173, 370185, 441669, 556887, 576955, 736115, 928145, 1730865, 2208345, 2784435, 4269467, 12808401, 21347335, 64042005]

約数ペア:

[(1, 64042005), (3, 21347335), (5, 12808401), (15, 4269467), (23, 2784435), (29, 2208345), (37, 1730865), (69, 928145), (87, 736115), (111, 576955), (115, 556887), (145, 441669), (173, 370185), (185, 346173), (345, 185629), (435, 147223), (519, 123395), (555, 115391), (667, 96015), (851, 75255), (865, 74037), (1073, 59685), (2001, 32005), (2553, 25085), (2595, 24679), (3219, 19895), (3335, 19203), (3979, 16095), (4255, 15051), (5017, 12765), (5365, 11937), (6401, 10005)]