128696189120

素因数分解:

$2^6\times 5^1\times {\mathrm{907}}^1\times {\mathrm{443413}}^1$

素因数の和:444337

約数の個数: 56

約数和(自身を含む): 306796372944

約数和(自身を除く): 178100183824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 907, 1814, 3628, 4535, 7256, 9070, 14512, 18140, 29024, 36280, 58048, 72560, 145120, 290240, 443413, 886826, 1773652, 2217065, 3547304, 4434130, 7094608, 8868260, 14189216, 17736520, 28378432, 35473040, 70946080, 141892160, 402175591, 804351182, 1608702364, 2010877955, 3217404728, 4021755910, 6434809456, 8043511820, 12869618912, 16087023640, 25739237824, 32174047280, 64348094560, 128696189120]

約数ペア:

[(1, 128696189120), (2, 64348094560), (4, 32174047280), (5, 25739237824), (8, 16087023640), (10, 12869618912), (16, 8043511820), (20, 6434809456), (32, 4021755910), (40, 3217404728), (64, 2010877955), (80, 1608702364), (160, 804351182), (320, 402175591), (907, 141892160), (1814, 70946080), (3628, 35473040), (4535, 28378432), (7256, 17736520), (9070, 14189216), (14512, 8868260), (18140, 7094608), (29024, 4434130), (36280, 3547304), (58048, 2217065), (72560, 1773652), (145120, 886826), (290240, 443413)]