79388320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1118

約数の個数: 96

約数和(自身を含む): 209563200

約数和(自身を除く): 130174880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 1049, 1376, 1720, 1760, 1892, 2098, 2365, 3440, 3784, 4196, 4730, 5245, 6880, 7568, 8392, 9460, 10490, 11539, 15136, 16784, 18920, 20980, 23078, 33568, 37840, 41960, 45107, 46156, 57695, 75680, 83920, 90214, 92312, 115390, 167840, 180428, 184624, 225535, 230780, 360856, 369248, 451070, 461560, 496177, 721712, 902140, 923120, 992354, 1443424, 1804280, 1846240, 1984708, 2480885, 3608560, 3969416, 4961770, 7217120, 7938832, 9923540, 15877664, 19847080, 39694160, 79388320]

約数ペア:

[(1, 79388320), (2, 39694160), (4, 19847080), (5, 15877664), (8, 9923540), (10, 7938832), (11, 7217120), (16, 4961770), (20, 3969416), (22, 3608560), (32, 2480885), (40, 1984708), (43, 1846240), (44, 1804280), (55, 1443424), (80, 992354), (86, 923120), (88, 902140), (110, 721712), (160, 496177), (172, 461560), (176, 451070), (215, 369248), (220, 360856), (344, 230780), (352, 225535), (430, 184624), (440, 180428), (473, 167840), (688, 115390), (860, 92312), (880, 90214), (946, 83920), (1049, 75680), (1376, 57695), (1720, 46156), (1760, 45107), (1892, 41960), (2098, 37840), (2365, 33568), (3440, 23078), (3784, 20980), (4196, 18920), (4730, 16784), (5245, 15136), (6880, 11539), (7568, 10490), (8392, 9460)]