3921280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 10244880

約数和(自身を除く): 6323600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 557, 640, 704, 880, 1114, 1408, 1760, 2228, 2785, 3520, 4456, 5570, 6127, 7040, 8912, 11140, 12254, 17824, 22280, 24508, 30635, 35648, 44560, 49016, 61270, 71296, 89120, 98032, 122540, 178240, 196064, 245080, 356480, 392128, 490160, 784256, 980320, 1960640, 3921280]

約数ペア:

[(1, 3921280), (2, 1960640), (4, 980320), (5, 784256), (8, 490160), (10, 392128), (11, 356480), (16, 245080), (20, 196064), (22, 178240), (32, 122540), (40, 98032), (44, 89120), (55, 71296), (64, 61270), (80, 49016), (88, 44560), (110, 35648), (128, 30635), (160, 24508), (176, 22280), (220, 17824), (320, 12254), (352, 11140), (440, 8912), (557, 7040), (640, 6127), (704, 5570), (880, 4456), (1114, 3520), (1408, 2785), (1760, 2228)]