1311791160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1153}}^1$

素因数の和:1685

約数の個数: 128

約数和(自身を含む): 4154400000

約数和(自身を除く): 2842608840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 499, 570, 760, 998, 1140, 1153, 1497, 1996, 2280, 2306, 2495, 2994, 3459, 3992, 4612, 4990, 5765, 5988, 6918, 7485, 9224, 9481, 9980, 11530, 11976, 13836, 14970, 17295, 18962, 19960, 21907, 23060, 27672, 28443, 29940, 34590, 37924, 43814, 46120, 47405, 56886, 59880, 65721, 69180, 75848, 87628, 94810, 109535, 113772, 131442, 138360, 142215, 175256, 189620, 219070, 227544, 262884, 284430, 328605, 379240, 438140, 525768, 568860, 575347, 657210, 876280, 1137720, 1150694, 1314420, 1726041, 2301388, 2628840, 2876735, 3452082, 4602776, 5753470, 6904164, 8630205, 10931593, 11506940, 13808328, 17260410, 21863186, 23013880, 32794779, 34520820, 43726372, 54657965, 65589558, 69041640, 87452744, 109315930, 131179116, 163973895, 218631860, 262358232, 327947790, 437263720, 655895580, 1311791160]

約数ペア:

[(1, 1311791160), (2, 655895580), (3, 437263720), (4, 327947790), (5, 262358232), (6, 218631860), (8, 163973895), (10, 131179116), (12, 109315930), (15, 87452744), (19, 69041640), (20, 65589558), (24, 54657965), (30, 43726372), (38, 34520820), (40, 32794779), (57, 23013880), (60, 21863186), (76, 17260410), (95, 13808328), (114, 11506940), (120, 10931593), (152, 8630205), (190, 6904164), (228, 5753470), (285, 4602776), (380, 3452082), (456, 2876735), (499, 2628840), (570, 2301388), (760, 1726041), (998, 1314420), (1140, 1150694), (1153, 1137720), (1497, 876280), (1996, 657210), (2280, 575347), (2306, 568860), (2495, 525768), (2994, 438140), (3459, 379240), (3992, 328605), (4612, 284430), (4990, 262884), (5765, 227544), (5988, 219070), (6918, 189620), (7485, 175256), (9224, 142215), (9481, 138360), (9980, 131442), (11530, 113772), (11976, 109535), (13836, 94810), (14970, 87628), (17295, 75848), (18962, 69180), (19960, 65721), (21907, 59880), (23060, 56886), (27672, 47405), (28443, 46120), (29940, 43814), (34590, 37924)]