1815969320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{23057}}^1$

素因数の和:23258

約数の個数: 64

約数和(自身を含む): 4482475200

約数和(自身を除く): 2666505880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1790, 1969, 3580, 3938, 7160, 7876, 9845, 15752, 19690, 23057, 39380, 46114, 78760, 92228, 115285, 184456, 230570, 253627, 461140, 507254, 922280, 1014508, 1268135, 2029016, 2536270, 4127203, 5072540, 8254406, 10145080, 16508812, 20636015, 33017624, 41272030, 45399233, 82544060, 90798466, 165088120, 181596932, 226996165, 363193864, 453992330, 907984660, 1815969320]

約数ペア:

[(1, 1815969320), (2, 907984660), (4, 453992330), (5, 363193864), (8, 226996165), (10, 181596932), (11, 165088120), (20, 90798466), (22, 82544060), (40, 45399233), (44, 41272030), (55, 33017624), (88, 20636015), (110, 16508812), (179, 10145080), (220, 8254406), (358, 5072540), (440, 4127203), (716, 2536270), (895, 2029016), (1432, 1268135), (1790, 1014508), (1969, 922280), (3580, 507254), (3938, 461140), (7160, 253627), (7876, 230570), (9845, 184456), (15752, 115285), (19690, 92228), (23057, 78760), (39380, 46114)]