123217360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 361252548

約数和(自身を除く): 238035188

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 49, 56, 68, 70, 80, 85, 86, 98, 112, 119, 136, 140, 170, 172, 196, 215, 238, 245, 272, 280, 301, 340, 344, 392, 430, 476, 490, 560, 595, 602, 680, 688, 731, 784, 833, 860, 952, 980, 1190, 1204, 1360, 1462, 1505, 1666, 1720, 1849, 1904, 1960, 2107, 2380, 2408, 2924, 3010, 3332, 3440, 3655, 3698, 3920, 4165, 4214, 4760, 4816, 5117, 5848, 6020, 6664, 7310, 7396, 8330, 8428, 9245, 9520, 10234, 10535, 11696, 12040, 12943, 13328, 14620, 14792, 16660, 16856, 18490, 20468, 21070, 24080, 25585, 25886, 29240, 29584, 31433, 33320, 33712, 35819, 36980, 40936, 42140, 51170, 51772, 58480, 62866, 64715, 66640, 71638, 73960, 81872, 84280, 90601, 102340, 103544, 125732, 129430, 143276, 147920, 157165, 168560, 179095, 181202, 204680, 207088, 220031, 251464, 258860, 286552, 314330, 358190, 362404, 409360, 440062, 453005, 502928, 517720, 573104, 628660, 716380, 724808, 880124, 906010, 1035440, 1100155, 1257320, 1432760, 1449616, 1540217, 1760248, 1812020, 2200310, 2514640, 2865520, 3080434, 3520496, 3624040, 4400620, 6160868, 7248080, 7701085, 8801240, 12321736, 15402170, 17602480, 24643472, 30804340, 61608680, 123217360]

約数ペア:

[(1, 123217360), (2, 61608680), (4, 30804340), (5, 24643472), (7, 17602480), (8, 15402170), (10, 12321736), (14, 8801240), (16, 7701085), (17, 7248080), (20, 6160868), (28, 4400620), (34, 3624040), (35, 3520496), (40, 3080434), (43, 2865520), (49, 2514640), (56, 2200310), (68, 1812020), (70, 1760248), (80, 1540217), (85, 1449616), (86, 1432760), (98, 1257320), (112, 1100155), (119, 1035440), (136, 906010), (140, 880124), (170, 724808), (172, 716380), (196, 628660), (215, 573104), (238, 517720), (245, 502928), (272, 453005), (280, 440062), (301, 409360), (340, 362404), (344, 358190), (392, 314330), (430, 286552), (476, 258860), (490, 251464), (560, 220031), (595, 207088), (602, 204680), (680, 181202), (688, 179095), (731, 168560), (784, 157165), (833, 147920), (860, 143276), (952, 129430), (980, 125732), (1190, 103544), (1204, 102340), (1360, 90601), (1462, 84280), (1505, 81872), (1666, 73960), (1720, 71638), (1849, 66640), (1904, 64715), (1960, 62866), (2107, 58480), (2380, 51772), (2408, 51170), (2924, 42140), (3010, 40936), (3332, 36980), (3440, 35819), (3655, 33712), (3698, 33320), (3920, 31433), (4165, 29584), (4214, 29240), (4760, 25886), (4816, 25585), (5117, 24080), (5848, 21070), (6020, 20468), (6664, 18490), (7310, 16856), (7396, 16660), (8330, 14792), (8428, 14620), (9245, 13328), (9520, 12943), (10234, 12040), (10535, 11696)]