1550560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 4000752

約数和(自身を除く): 2450192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 881, 1760, 1762, 3524, 4405, 7048, 8810, 9691, 14096, 17620, 19382, 28192, 35240, 38764, 48455, 70480, 77528, 96910, 140960, 155056, 193820, 310112, 387640, 775280, 1550560]

約数ペア:

[(1, 1550560), (2, 775280), (4, 387640), (5, 310112), (8, 193820), (10, 155056), (11, 140960), (16, 96910), (20, 77528), (22, 70480), (32, 48455), (40, 38764), (44, 35240), (55, 28192), (80, 19382), (88, 17620), (110, 14096), (160, 9691), (176, 8810), (220, 7048), (352, 4405), (440, 3524), (880, 1762), (881, 1760)]