127722728

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 304128000

約数和(自身を除く): 176405272

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 43, 56, 58, 59, 62, 86, 116, 118, 124, 172, 203, 217, 232, 236, 248, 301, 344, 406, 413, 434, 472, 602, 812, 826, 868, 899, 1204, 1247, 1333, 1624, 1652, 1711, 1736, 1798, 1829, 2408, 2494, 2537, 2666, 3304, 3422, 3596, 3658, 4988, 5074, 5332, 6293, 6844, 7192, 7316, 8729, 9331, 9976, 10148, 10664, 11977, 12586, 12803, 13688, 14632, 17458, 17759, 18662, 20296, 23954, 25172, 25606, 34916, 35518, 37324, 38657, 47908, 50344, 51212, 53041, 69832, 71036, 73573, 74648, 77314, 78647, 95816, 102424, 106082, 142072, 147146, 154628, 157294, 212164, 270599, 294292, 309256, 314588, 371287, 424328, 515011, 541198, 550529, 588584, 629176, 742574, 1030022, 1082396, 1101058, 1485148, 2060044, 2164792, 2202116, 2280763, 2970296, 4120088, 4404232, 4561526, 9123052, 15965341, 18246104, 31930682, 63861364, 127722728]

約数ペア:

[(1, 127722728), (2, 63861364), (4, 31930682), (7, 18246104), (8, 15965341), (14, 9123052), (28, 4561526), (29, 4404232), (31, 4120088), (43, 2970296), (56, 2280763), (58, 2202116), (59, 2164792), (62, 2060044), (86, 1485148), (116, 1101058), (118, 1082396), (124, 1030022), (172, 742574), (203, 629176), (217, 588584), (232, 550529), (236, 541198), (248, 515011), (301, 424328), (344, 371287), (406, 314588), (413, 309256), (434, 294292), (472, 270599), (602, 212164), (812, 157294), (826, 154628), (868, 147146), (899, 142072), (1204, 106082), (1247, 102424), (1333, 95816), (1624, 78647), (1652, 77314), (1711, 74648), (1736, 73573), (1798, 71036), (1829, 69832), (2408, 53041), (2494, 51212), (2537, 50344), (2666, 47908), (3304, 38657), (3422, 37324), (3596, 35518), (3658, 34916), (4988, 25606), (5074, 25172), (5332, 23954), (6293, 20296), (6844, 18662), (7192, 17759), (7316, 17458), (8729, 14632), (9331, 13688), (9976, 12803), (10148, 12586), (10664, 11977)]