78860280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 273715200

約数和(自身を除く): 194854920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 31, 34, 40, 43, 51, 58, 60, 62, 68, 85, 86, 87, 93, 102, 116, 120, 124, 129, 136, 145, 155, 170, 172, 174, 186, 204, 215, 232, 248, 255, 258, 290, 310, 340, 344, 348, 372, 408, 430, 435, 465, 493, 510, 516, 527, 580, 620, 645, 680, 696, 731, 744, 860, 870, 899, 930, 986, 1020, 1032, 1054, 1160, 1240, 1247, 1290, 1333, 1462, 1479, 1581, 1720, 1740, 1798, 1860, 1972, 2040, 2108, 2193, 2465, 2494, 2580, 2635, 2666, 2697, 2924, 2958, 3162, 3480, 3596, 3655, 3720, 3741, 3944, 3999, 4216, 4386, 4495, 4930, 4988, 5160, 5270, 5332, 5394, 5848, 5916, 6235, 6324, 6665, 7192, 7310, 7395, 7482, 7905, 7998, 8772, 8990, 9860, 9976, 10540, 10664, 10788, 10965, 11832, 12470, 12648, 13330, 13485, 14620, 14790, 14964, 15283, 15810, 15996, 17544, 17980, 18705, 19720, 19995, 21080, 21199, 21576, 21930, 22661, 24940, 26660, 26970, 29240, 29580, 29928, 30566, 31620, 31992, 35960, 37410, 38657, 39990, 42398, 43860, 45322, 45849, 49880, 53320, 53940, 59160, 61132, 63240, 63597, 67983, 74820, 76415, 77314, 79980, 84796, 87720, 90644, 91698, 105995, 107880, 113305, 115971, 122264, 127194, 135966, 149640, 152830, 154628, 159960, 169592, 181288, 183396, 193285, 211990, 226610, 229245, 231942, 254388, 271932, 305660, 309256, 317985, 339915, 366792, 386570, 423980, 453220, 458490, 463884, 508776, 543864, 579855, 611320, 635970, 657169, 679830, 773140, 847960, 906440, 916980, 927768, 1159710, 1271940, 1314338, 1359660, 1546280, 1833960, 1971507, 2319420, 2543880, 2628676, 2719320, 3285845, 3943014, 4638840, 5257352, 6571690, 7886028, 9857535, 13143380, 15772056, 19715070, 26286760, 39430140, 78860280]

約数ペア:

[(1, 78860280), (2, 39430140), (3, 26286760), (4, 19715070), (5, 15772056), (6, 13143380), (8, 9857535), (10, 7886028), (12, 6571690), (15, 5257352), (17, 4638840), (20, 3943014), (24, 3285845), (29, 2719320), (30, 2628676), (31, 2543880), (34, 2319420), (40, 1971507), (43, 1833960), (51, 1546280), (58, 1359660), (60, 1314338), (62, 1271940), (68, 1159710), (85, 927768), (86, 916980), (87, 906440), (93, 847960), (102, 773140), (116, 679830), (120, 657169), (124, 635970), (129, 611320), (136, 579855), (145, 543864), (155, 508776), (170, 463884), (172, 458490), (174, 453220), (186, 423980), (204, 386570), (215, 366792), (232, 339915), (248, 317985), (255, 309256), (258, 305660), (290, 271932), (310, 254388), (340, 231942), (344, 229245), (348, 226610), (372, 211990), (408, 193285), (430, 183396), (435, 181288), (465, 169592), (493, 159960), (510, 154628), (516, 152830), (527, 149640), (580, 135966), (620, 127194), (645, 122264), (680, 115971), (696, 113305), (731, 107880), (744, 105995), (860, 91698), (870, 90644), (899, 87720), (930, 84796), (986, 79980), (1020, 77314), (1032, 76415), (1054, 74820), (1160, 67983), (1240, 63597), (1247, 63240), (1290, 61132), (1333, 59160), (1462, 53940), (1479, 53320), (1581, 49880), (1720, 45849), (1740, 45322), (1798, 43860), (1860, 42398), (1972, 39990), (2040, 38657), (2108, 37410), (2193, 35960), (2465, 31992), (2494, 31620), (2580, 30566), (2635, 29928), (2666, 29580), (2697, 29240), (2924, 26970), (2958, 26660), (3162, 24940), (3480, 22661), (3596, 21930), (3655, 21576), (3720, 21199), (3741, 21080), (3944, 19995), (3999, 19720), (4216, 18705), (4386, 17980), (4495, 17544), (4930, 15996), (4988, 15810), (5160, 15283), (5270, 14964), (5332, 14790), (5394, 14620), (5848, 13485), (5916, 13330), (6235, 12648), (6324, 12470), (6665, 11832), (7192, 10965), (7310, 10788), (7395, 10664), (7482, 10540), (7905, 9976), (7998, 9860), (8772, 8990)]