2748441780

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{80789}}^1$

素因数の和:80820

約数の個数: 144

約数和(自身を含む): 9880940160

約数和(自身を除く): 7132498380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 34020, 80789, 161578, 242367, 323156, 403945, 484734, 565523, 727101, 807890, 969468, 1131046, 1211835, 1454202, 1615780, 1696569, 2181303, 2262092, 2423670, 2827615, 2908404, 3393138, 3635505, 4362606, 4847340, 5089707, 5655230, 6543909, 6786276, 7271010, 8482845, 8725212, 10179414, 10906515, 11310460, 13087818, 14542020, 15269121, 16965690, 19631727, 20358828, 21813030, 25448535, 26175636, 30538242, 32719545, 33931380, 39263454, 43626060, 45807363, 50897070, 61076484, 65439090, 76345605, 78526908, 91614726, 98158635, 101794140, 130878180, 137422089, 152691210, 183229452, 196317270, 229036815, 274844178, 305382420, 392634540, 458073630, 549688356, 687110445, 916147260, 1374220890, 2748441780]

約数ペア:

[(1, 2748441780), (2, 1374220890), (3, 916147260), (4, 687110445), (5, 549688356), (6, 458073630), (7, 392634540), (9, 305382420), (10, 274844178), (12, 229036815), (14, 196317270), (15, 183229452), (18, 152691210), (20, 137422089), (21, 130878180), (27, 101794140), (28, 98158635), (30, 91614726), (35, 78526908), (36, 76345605), (42, 65439090), (45, 61076484), (54, 50897070), (60, 45807363), (63, 43626060), (70, 39263454), (81, 33931380), (84, 32719545), (90, 30538242), (105, 26175636), (108, 25448535), (126, 21813030), (135, 20358828), (140, 19631727), (162, 16965690), (180, 15269121), (189, 14542020), (210, 13087818), (243, 11310460), (252, 10906515), (270, 10179414), (315, 8725212), (324, 8482845), (378, 7271010), (405, 6786276), (420, 6543909), (486, 5655230), (540, 5089707), (567, 4847340), (630, 4362606), (756, 3635505), (810, 3393138), (945, 2908404), (972, 2827615), (1134, 2423670), (1215, 2262092), (1260, 2181303), (1620, 1696569), (1701, 1615780), (1890, 1454202), (2268, 1211835), (2430, 1131046), (2835, 969468), (3402, 807890), (3780, 727101), (4860, 565523), (5670, 484734), (6804, 403945), (8505, 323156), (11340, 242367), (17010, 161578), (34020, 80789)]