680175440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 160

約数和(自身を含む): 1966374144

約数和(自身を除く): 1286198704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 80, 85, 112, 119, 136, 140, 148, 170, 185, 238, 259, 272, 280, 296, 340, 370, 476, 518, 560, 592, 595, 629, 680, 740, 952, 1036, 1190, 1258, 1295, 1360, 1480, 1904, 1931, 2072, 2380, 2516, 2590, 2960, 3145, 3862, 4144, 4403, 4760, 5032, 5180, 6290, 7724, 8806, 9520, 9655, 10064, 10360, 12580, 13517, 15448, 17612, 19310, 20720, 22015, 25160, 27034, 30896, 32827, 35224, 38620, 44030, 50320, 54068, 65654, 67585, 70448, 71447, 77240, 88060, 108136, 131308, 135170, 142894, 154480, 164135, 176120, 216272, 229789, 262616, 270340, 285788, 328270, 352240, 357235, 459578, 500129, 525232, 540680, 571576, 656540, 714470, 919156, 1000258, 1081360, 1143152, 1148945, 1214599, 1313080, 1428940, 1838312, 2000516, 2297890, 2429198, 2500645, 2626160, 2857880, 3676624, 4001032, 4595780, 4858396, 5001290, 5715760, 6072995, 8002064, 8502193, 9191560, 9716792, 10002580, 12145990, 17004386, 18383120, 19433584, 20005160, 24291980, 34008772, 40010320, 42510965, 48583960, 68017544, 85021930, 97167920, 136035088, 170043860, 340087720, 680175440]

約数ペア:

[(1, 680175440), (2, 340087720), (4, 170043860), (5, 136035088), (7, 97167920), (8, 85021930), (10, 68017544), (14, 48583960), (16, 42510965), (17, 40010320), (20, 34008772), (28, 24291980), (34, 20005160), (35, 19433584), (37, 18383120), (40, 17004386), (56, 12145990), (68, 10002580), (70, 9716792), (74, 9191560), (80, 8502193), (85, 8002064), (112, 6072995), (119, 5715760), (136, 5001290), (140, 4858396), (148, 4595780), (170, 4001032), (185, 3676624), (238, 2857880), (259, 2626160), (272, 2500645), (280, 2429198), (296, 2297890), (340, 2000516), (370, 1838312), (476, 1428940), (518, 1313080), (560, 1214599), (592, 1148945), (595, 1143152), (629, 1081360), (680, 1000258), (740, 919156), (952, 714470), (1036, 656540), (1190, 571576), (1258, 540680), (1295, 525232), (1360, 500129), (1480, 459578), (1904, 357235), (1931, 352240), (2072, 328270), (2380, 285788), (2516, 270340), (2590, 262616), (2960, 229789), (3145, 216272), (3862, 176120), (4144, 164135), (4403, 154480), (4760, 142894), (5032, 135170), (5180, 131308), (6290, 108136), (7724, 88060), (8806, 77240), (9520, 71447), (9655, 70448), (10064, 67585), (10360, 65654), (12580, 54068), (13517, 50320), (15448, 44030), (17612, 38620), (19310, 35224), (20720, 32827), (22015, 30896), (25160, 27034)]