90144640

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1697}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 218226960

約数和(自身を除く): 128082320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1660, 1697, 2656, 3320, 3394, 5312, 6640, 6788, 8485, 10624, 13280, 13576, 16970, 26560, 27152, 33940, 53120, 54304, 67880, 108608, 135760, 140851, 217216, 271520, 281702, 543040, 563404, 704255, 1086080, 1126808, 1408510, 2253616, 2817020, 4507232, 5634040, 9014464, 11268080, 18028928, 22536160, 45072320, 90144640]

約数ペア:

[(1, 90144640), (2, 45072320), (4, 22536160), (5, 18028928), (8, 11268080), (10, 9014464), (16, 5634040), (20, 4507232), (32, 2817020), (40, 2253616), (64, 1408510), (80, 1126808), (83, 1086080), (128, 704255), (160, 563404), (166, 543040), (320, 281702), (332, 271520), (415, 217216), (640, 140851), (664, 135760), (830, 108608), (1328, 67880), (1660, 54304), (1697, 53120), (2656, 33940), (3320, 27152), (3394, 26560), (5312, 16970), (6640, 13576), (6788, 13280), (8485, 10624)]