248680960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8831}}^1$

素因数の和:8865

約数の個数: 80

約数和(自身を含む): 650529792

約数和(自身を除く): 401848832

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, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 8831, 14080, 17662, 28160, 35324, 44155, 70648, 88310, 97141, 141296, 176620, 194282, 282592, 353240, 388564, 485705, 565184, 706480, 777128, 971410, 1130368, 1412960, 1554256, 1942820, 2260736, 2825920, 3108512, 3885640, 4521472, 5651840, 6217024, 7771280, 11303680, 12434048, 15542560, 22607360, 24868096, 31085120, 49736192, 62170240, 124340480, 248680960]

約数ペア:

[(1, 248680960), (2, 124340480), (4, 62170240), (5, 49736192), (8, 31085120), (10, 24868096), (11, 22607360), (16, 15542560), (20, 12434048), (22, 11303680), (32, 7771280), (40, 6217024), (44, 5651840), (55, 4521472), (64, 3885640), (80, 3108512), (88, 2825920), (110, 2260736), (128, 1942820), (160, 1554256), (176, 1412960), (220, 1130368), (256, 971410), (320, 777128), (352, 706480), (440, 565184), (512, 485705), (640, 388564), (704, 353240), (880, 282592), (1280, 194282), (1408, 176620), (1760, 141296), (2560, 97141), (2816, 88310), (3520, 70648), (5632, 44155), (7040, 35324), (8831, 28160), (14080, 17662)]