781335240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13883}}^1$

素因数の和:13971

約数の個数: 128

約数和(自身を含む): 2719042560

約数和(自身を除く): 1937707320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1340, 1407, 1608, 1876, 2010, 2345, 2680, 2814, 3752, 4020, 4690, 5628, 7035, 8040, 9380, 11256, 13883, 14070, 18760, 27766, 28140, 41649, 55532, 56280, 69415, 83298, 97181, 111064, 138830, 166596, 194362, 208245, 277660, 291543, 333192, 388724, 416490, 485905, 555320, 583086, 777448, 832980, 930161, 971810, 1166172, 1457715, 1665960, 1860322, 1943620, 2332344, 2790483, 2915430, 3720644, 3887240, 4650805, 5580966, 5830860, 6511127, 7441288, 9301610, 11161932, 11661720, 13022254, 13952415, 18603220, 19533381, 22323864, 26044508, 27904830, 32555635, 37206440, 39066762, 52089016, 55809660, 65111270, 78133524, 97666905, 111619320, 130222540, 156267048, 195333810, 260445080, 390667620, 781335240]

約数ペア:

[(1, 781335240), (2, 390667620), (3, 260445080), (4, 195333810), (5, 156267048), (6, 130222540), (7, 111619320), (8, 97666905), (10, 78133524), (12, 65111270), (14, 55809660), (15, 52089016), (20, 39066762), (21, 37206440), (24, 32555635), (28, 27904830), (30, 26044508), (35, 22323864), (40, 19533381), (42, 18603220), (56, 13952415), (60, 13022254), (67, 11661720), (70, 11161932), (84, 9301610), (105, 7441288), (120, 6511127), (134, 5830860), (140, 5580966), (168, 4650805), (201, 3887240), (210, 3720644), (268, 2915430), (280, 2790483), (335, 2332344), (402, 1943620), (420, 1860322), (469, 1665960), (536, 1457715), (670, 1166172), (804, 971810), (840, 930161), (938, 832980), (1005, 777448), (1340, 583086), (1407, 555320), (1608, 485905), (1876, 416490), (2010, 388724), (2345, 333192), (2680, 291543), (2814, 277660), (3752, 208245), (4020, 194362), (4690, 166596), (5628, 138830), (7035, 111064), (8040, 97181), (9380, 83298), (11256, 69415), (13883, 56280), (14070, 55532), (18760, 41649), (27766, 28140)]