164211740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{15233}}^1$

素因数の和:15267

約数の個数: 72

約数和(自身を含む): 437642352

約数和(自身を除く): 273430612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 15233, 30466, 60932, 76165, 106631, 152330, 167563, 213262, 304660, 335126, 426524, 533155, 670252, 746417, 837815, 1066310, 1172941, 1492834, 1675630, 2132620, 2345882, 2985668, 3351260, 3732085, 4691764, 5864705, 7464170, 8210587, 11729410, 14928340, 16421174, 23458820, 32842348, 41052935, 82105870, 164211740]

約数ペア:

[(1, 164211740), (2, 82105870), (4, 41052935), (5, 32842348), (7, 23458820), (10, 16421174), (11, 14928340), (14, 11729410), (20, 8210587), (22, 7464170), (28, 5864705), (35, 4691764), (44, 3732085), (49, 3351260), (55, 2985668), (70, 2345882), (77, 2132620), (98, 1675630), (110, 1492834), (140, 1172941), (154, 1066310), (196, 837815), (220, 746417), (245, 670252), (308, 533155), (385, 426524), (490, 335126), (539, 304660), (770, 213262), (980, 167563), (1078, 152330), (1540, 106631), (2156, 76165), (2695, 60932), (5390, 30466), (10780, 15233)]