64441728

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 201406140

約数和(自身を除く): 136964412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 288, 312, 331, 338, 384, 416, 468, 507, 576, 624, 662, 676, 832, 936, 993, 1014, 1152, 1248, 1324, 1352, 1521, 1664, 1872, 1986, 2028, 2496, 2648, 2704, 2979, 3042, 3744, 3972, 4056, 4303, 4992, 5296, 5408, 5958, 6084, 7488, 7944, 8112, 8606, 10592, 10816, 11916, 12168, 12909, 14976, 15888, 16224, 17212, 21184, 21632, 23832, 24336, 25818, 31776, 32448, 34424, 38727, 42368, 47664, 48672, 51636, 55939, 63552, 64896, 68848, 77454, 95328, 97344, 103272, 111878, 127104, 137696, 154908, 167817, 190656, 194688, 206544, 223756, 275392, 309816, 335634, 381312, 413088, 447512, 503451, 550784, 619632, 671268, 826176, 895024, 1006902, 1239264, 1342536, 1652352, 1790048, 2013804, 2478528, 2685072, 3580096, 4027608, 4957056, 5370144, 7160192, 8055216, 10740288, 16110432, 21480576, 32220864, 64441728]

約数ペア:

[(1, 64441728), (2, 32220864), (3, 21480576), (4, 16110432), (6, 10740288), (8, 8055216), (9, 7160192), (12, 5370144), (13, 4957056), (16, 4027608), (18, 3580096), (24, 2685072), (26, 2478528), (32, 2013804), (36, 1790048), (39, 1652352), (48, 1342536), (52, 1239264), (64, 1006902), (72, 895024), (78, 826176), (96, 671268), (104, 619632), (117, 550784), (128, 503451), (144, 447512), (156, 413088), (169, 381312), (192, 335634), (208, 309816), (234, 275392), (288, 223756), (312, 206544), (331, 194688), (338, 190656), (384, 167817), (416, 154908), (468, 137696), (507, 127104), (576, 111878), (624, 103272), (662, 97344), (676, 95328), (832, 77454), (936, 68848), (993, 64896), (1014, 63552), (1152, 55939), (1248, 51636), (1324, 48672), (1352, 47664), (1521, 42368), (1664, 38727), (1872, 34424), (1986, 32448), (2028, 31776), (2496, 25818), (2648, 24336), (2704, 23832), (2979, 21632), (3042, 21184), (3744, 17212), (3972, 16224), (4056, 15888), (4303, 14976), (4992, 12909), (5296, 12168), (5408, 11916), (5958, 10816), (6084, 10592), (7488, 8606), (7944, 8112)]