728715840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 224

約数和(自身を含む): 2403287040

約数和(自身を除く): 1674571200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 127, 129, 139, 160, 172, 192, 215, 240, 254, 258, 278, 320, 344, 381, 417, 430, 480, 508, 516, 556, 635, 645, 688, 695, 762, 834, 860, 960, 1016, 1032, 1112, 1270, 1290, 1376, 1390, 1524, 1668, 1720, 1905, 2032, 2064, 2085, 2224, 2540, 2580, 2752, 2780, 3048, 3336, 3440, 3810, 4064, 4128, 4170, 4448, 5080, 5160, 5461, 5560, 5977, 6096, 6672, 6880, 7620, 8128, 8256, 8340, 8896, 10160, 10320, 10922, 11120, 11954, 12192, 13344, 13760, 15240, 16383, 16680, 17653, 17931, 20320, 20640, 21844, 22240, 23908, 24384, 26688, 27305, 29885, 30480, 32766, 33360, 35306, 35862, 40640, 41280, 43688, 44480, 47816, 52959, 54610, 59770, 60960, 65532, 66720, 70612, 71724, 81915, 87376, 88265, 89655, 95632, 105918, 109220, 119540, 121920, 131064, 133440, 141224, 143448, 163830, 174752, 176530, 179310, 191264, 211836, 218440, 239080, 262128, 264795, 282448, 286896, 327660, 349504, 353060, 358620, 382528, 423672, 436880, 478160, 524256, 529590, 564896, 573792, 655320, 706120, 717240, 759079, 847344, 873760, 956320, 1048512, 1059180, 1129792, 1147584, 1310640, 1412240, 1434480, 1518158, 1694688, 1747520, 1912640, 2118360, 2277237, 2621280, 2824480, 2868960, 3036316, 3389376, 3795395, 4236720, 4554474, 5242560, 5648960, 5737920, 6072632, 7590790, 8473440, 9108948, 11386185, 12145264, 15181580, 16946880, 18217896, 22772370, 24290528, 30363160, 36435792, 45544740, 48581056, 60726320, 72871584, 91089480, 121452640, 145743168, 182178960, 242905280, 364357920, 728715840]

約数ペア:

[(1, 728715840), (2, 364357920), (3, 242905280), (4, 182178960), (5, 145743168), (6, 121452640), (8, 91089480), (10, 72871584), (12, 60726320), (15, 48581056), (16, 45544740), (20, 36435792), (24, 30363160), (30, 24290528), (32, 22772370), (40, 18217896), (43, 16946880), (48, 15181580), (60, 12145264), (64, 11386185), (80, 9108948), (86, 8473440), (96, 7590790), (120, 6072632), (127, 5737920), (129, 5648960), (139, 5242560), (160, 4554474), (172, 4236720), (192, 3795395), (215, 3389376), (240, 3036316), (254, 2868960), (258, 2824480), (278, 2621280), (320, 2277237), (344, 2118360), (381, 1912640), (417, 1747520), (430, 1694688), (480, 1518158), (508, 1434480), (516, 1412240), (556, 1310640), (635, 1147584), (645, 1129792), (688, 1059180), (695, 1048512), (762, 956320), (834, 873760), (860, 847344), (960, 759079), (1016, 717240), (1032, 706120), (1112, 655320), (1270, 573792), (1290, 564896), (1376, 529590), (1390, 524256), (1524, 478160), (1668, 436880), (1720, 423672), (1905, 382528), (2032, 358620), (2064, 353060), (2085, 349504), (2224, 327660), (2540, 286896), (2580, 282448), (2752, 264795), (2780, 262128), (3048, 239080), (3336, 218440), (3440, 211836), (3810, 191264), (4064, 179310), (4128, 176530), (4170, 174752), (4448, 163830), (5080, 143448), (5160, 141224), (5461, 133440), (5560, 131064), (5977, 121920), (6096, 119540), (6672, 109220), (6880, 105918), (7620, 95632), (8128, 89655), (8256, 88265), (8340, 87376), (8896, 81915), (10160, 71724), (10320, 70612), (10922, 66720), (11120, 65532), (11954, 60960), (12192, 59770), (13344, 54610), (13760, 52959), (15240, 47816), (16383, 44480), (16680, 43688), (17653, 41280), (17931, 40640), (20320, 35862), (20640, 35306), (21844, 33360), (22240, 32766), (23908, 30480), (24384, 29885), (26688, 27305)]