1638337920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5651}}^1$

素因数の和:5824

約数の個数: 128

約数和(自身を含む): 5257716480

約数和(自身を除く): 3619378560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 151, 160, 192, 240, 302, 320, 384, 453, 480, 604, 640, 755, 906, 960, 1208, 1510, 1812, 1920, 2265, 2416, 3020, 3624, 4530, 4832, 5651, 6040, 7248, 9060, 9664, 11302, 12080, 14496, 16953, 18120, 19328, 22604, 24160, 28255, 28992, 33906, 36240, 45208, 48320, 56510, 57984, 67812, 72480, 84765, 90416, 96640, 113020, 135624, 144960, 169530, 180832, 226040, 271248, 289920, 339060, 361664, 452080, 542496, 678120, 723328, 853301, 904160, 1084992, 1356240, 1706602, 1808320, 2169984, 2559903, 2712480, 3413204, 3616640, 4266505, 5119806, 5424960, 6826408, 8533010, 10239612, 10849920, 12799515, 13652816, 17066020, 20479224, 25599030, 27305632, 34132040, 40958448, 51198060, 54611264, 68264080, 81916896, 102396120, 109222528, 136528160, 163833792, 204792240, 273056320, 327667584, 409584480, 546112640, 819168960, 1638337920]

約数ペア:

[(1, 1638337920), (2, 819168960), (3, 546112640), (4, 409584480), (5, 327667584), (6, 273056320), (8, 204792240), (10, 163833792), (12, 136528160), (15, 109222528), (16, 102396120), (20, 81916896), (24, 68264080), (30, 54611264), (32, 51198060), (40, 40958448), (48, 34132040), (60, 27305632), (64, 25599030), (80, 20479224), (96, 17066020), (120, 13652816), (128, 12799515), (151, 10849920), (160, 10239612), (192, 8533010), (240, 6826408), (302, 5424960), (320, 5119806), (384, 4266505), (453, 3616640), (480, 3413204), (604, 2712480), (640, 2559903), (755, 2169984), (906, 1808320), (960, 1706602), (1208, 1356240), (1510, 1084992), (1812, 904160), (1920, 853301), (2265, 723328), (2416, 678120), (3020, 542496), (3624, 452080), (4530, 361664), (4832, 339060), (5651, 289920), (6040, 271248), (7248, 226040), (9060, 180832), (9664, 169530), (11302, 144960), (12080, 135624), (14496, 113020), (16953, 96640), (18120, 90416), (19328, 84765), (22604, 72480), (24160, 67812), (28255, 57984), (28992, 56510), (33906, 48320), (36240, 45208)]