1248618920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 2987228160

約数和(自身を除く): 1738609240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 97, 164, 167, 188, 194, 205, 235, 328, 334, 376, 388, 410, 470, 485, 668, 776, 820, 835, 940, 970, 1336, 1640, 1670, 1880, 1927, 1940, 3340, 3854, 3880, 3977, 4559, 6680, 6847, 7708, 7849, 7954, 9118, 9635, 13694, 15416, 15698, 15908, 16199, 18236, 19270, 19885, 22795, 27388, 31396, 31816, 32398, 34235, 36472, 38540, 39245, 39770, 45590, 54776, 62792, 64796, 68470, 77080, 78490, 79540, 80995, 91180, 129592, 136940, 156980, 159080, 161990, 182360, 186919, 273880, 313960, 321809, 323980, 373838, 643618, 647960, 664159, 747676, 761353, 934595, 1287236, 1328318, 1495352, 1522706, 1609045, 1869190, 2574472, 2656636, 3045412, 3218090, 3320795, 3738380, 3806765, 5313272, 6090824, 6436180, 6641590, 7476760, 7613530, 12872360, 13283180, 15227060, 26566360, 30454120, 31215473, 62430946, 124861892, 156077365, 249723784, 312154730, 624309460, 1248618920]

約数ペア:

[(1, 1248618920), (2, 624309460), (4, 312154730), (5, 249723784), (8, 156077365), (10, 124861892), (20, 62430946), (40, 31215473), (41, 30454120), (47, 26566360), (82, 15227060), (94, 13283180), (97, 12872360), (164, 7613530), (167, 7476760), (188, 6641590), (194, 6436180), (205, 6090824), (235, 5313272), (328, 3806765), (334, 3738380), (376, 3320795), (388, 3218090), (410, 3045412), (470, 2656636), (485, 2574472), (668, 1869190), (776, 1609045), (820, 1522706), (835, 1495352), (940, 1328318), (970, 1287236), (1336, 934595), (1640, 761353), (1670, 747676), (1880, 664159), (1927, 647960), (1940, 643618), (3340, 373838), (3854, 323980), (3880, 321809), (3977, 313960), (4559, 273880), (6680, 186919), (6847, 182360), (7708, 161990), (7849, 159080), (7954, 156980), (9118, 136940), (9635, 129592), (13694, 91180), (15416, 80995), (15698, 79540), (15908, 78490), (16199, 77080), (18236, 68470), (19270, 64796), (19885, 62792), (22795, 54776), (27388, 45590), (31396, 39770), (31816, 39245), (32398, 38540), (34235, 36472)]