79728880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:124

約数の個数: 180

約数和(自身を含む): 240835032

約数和(自身を除く): 161106152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 49, 55, 56, 70, 77, 80, 86, 88, 98, 110, 112, 140, 154, 172, 176, 196, 215, 220, 245, 280, 301, 308, 344, 385, 392, 430, 440, 473, 490, 539, 560, 602, 616, 688, 770, 784, 860, 880, 946, 980, 1078, 1204, 1232, 1505, 1540, 1720, 1849, 1892, 1960, 2107, 2156, 2365, 2408, 2695, 3010, 3080, 3311, 3440, 3698, 3784, 3920, 4214, 4312, 4730, 4816, 5390, 6020, 6160, 6622, 7396, 7568, 8428, 8624, 9245, 9460, 10535, 10780, 12040, 12943, 13244, 14792, 16555, 16856, 18490, 18920, 20339, 21070, 21560, 23177, 24080, 25886, 26488, 29584, 33110, 33712, 36980, 37840, 40678, 42140, 43120, 46354, 51772, 52976, 64715, 66220, 73960, 81356, 84280, 90601, 92708, 101695, 103544, 115885, 129430, 132440, 142373, 147920, 162712, 168560, 181202, 185416, 203390, 207088, 231770, 258860, 264880, 284746, 325424, 362404, 370832, 406780, 453005, 463540, 517720, 569492, 711865, 724808, 813560, 906010, 927080, 996611, 1035440, 1138984, 1423730, 1449616, 1627120, 1812020, 1854160, 1993222, 2277968, 2847460, 3624040, 3986444, 4983055, 5694920, 7248080, 7972888, 9966110, 11389840, 15945776, 19932220, 39864440, 79728880]

約数ペア:

[(1, 79728880), (2, 39864440), (4, 19932220), (5, 15945776), (7, 11389840), (8, 9966110), (10, 7972888), (11, 7248080), (14, 5694920), (16, 4983055), (20, 3986444), (22, 3624040), (28, 2847460), (35, 2277968), (40, 1993222), (43, 1854160), (44, 1812020), (49, 1627120), (55, 1449616), (56, 1423730), (70, 1138984), (77, 1035440), (80, 996611), (86, 927080), (88, 906010), (98, 813560), (110, 724808), (112, 711865), (140, 569492), (154, 517720), (172, 463540), (176, 453005), (196, 406780), (215, 370832), (220, 362404), (245, 325424), (280, 284746), (301, 264880), (308, 258860), (344, 231770), (385, 207088), (392, 203390), (430, 185416), (440, 181202), (473, 168560), (490, 162712), (539, 147920), (560, 142373), (602, 132440), (616, 129430), (688, 115885), (770, 103544), (784, 101695), (860, 92708), (880, 90601), (946, 84280), (980, 81356), (1078, 73960), (1204, 66220), (1232, 64715), (1505, 52976), (1540, 51772), (1720, 46354), (1849, 43120), (1892, 42140), (1960, 40678), (2107, 37840), (2156, 36980), (2365, 33712), (2408, 33110), (2695, 29584), (3010, 26488), (3080, 25886), (3311, 24080), (3440, 23177), (3698, 21560), (3784, 21070), (3920, 20339), (4214, 18920), (4312, 18490), (4730, 16856), (4816, 16555), (5390, 14792), (6020, 13244), (6160, 12943), (6622, 12040), (7396, 10780), (7568, 10535), (8428, 9460), (8624, 9245)]