128883456

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 162

約数和(自身を含む): 403602108

約数和(自身を除く): 274718652

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, 256, 288, 312, 331, 338, 384, 416, 468, 507, 576, 624, 662, 676, 768, 832, 936, 993, 1014, 1152, 1248, 1324, 1352, 1521, 1664, 1872, 1986, 2028, 2304, 2496, 2648, 2704, 2979, 3042, 3328, 3744, 3972, 4056, 4303, 4992, 5296, 5408, 5958, 6084, 7488, 7944, 8112, 8606, 9984, 10592, 10816, 11916, 12168, 12909, 14976, 15888, 16224, 17212, 21184, 21632, 23832, 24336, 25818, 29952, 31776, 32448, 34424, 38727, 42368, 43264, 47664, 48672, 51636, 55939, 63552, 64896, 68848, 77454, 84736, 95328, 97344, 103272, 111878, 127104, 129792, 137696, 154908, 167817, 190656, 194688, 206544, 223756, 254208, 275392, 309816, 335634, 381312, 389376, 413088, 447512, 503451, 550784, 619632, 671268, 762624, 826176, 895024, 1006902, 1101568, 1239264, 1342536, 1652352, 1790048, 2013804, 2478528, 2685072, 3304704, 3580096, 4027608, 4957056, 5370144, 7160192, 8055216, 9914112, 10740288, 14320384, 16110432, 21480576, 32220864, 42961152, 64441728, 128883456]

約数ペア:

[(1, 128883456), (2, 64441728), (3, 42961152), (4, 32220864), (6, 21480576), (8, 16110432), (9, 14320384), (12, 10740288), (13, 9914112), (16, 8055216), (18, 7160192), (24, 5370144), (26, 4957056), (32, 4027608), (36, 3580096), (39, 3304704), (48, 2685072), (52, 2478528), (64, 2013804), (72, 1790048), (78, 1652352), (96, 1342536), (104, 1239264), (117, 1101568), (128, 1006902), (144, 895024), (156, 826176), (169, 762624), (192, 671268), (208, 619632), (234, 550784), (256, 503451), (288, 447512), (312, 413088), (331, 389376), (338, 381312), (384, 335634), (416, 309816), (468, 275392), (507, 254208), (576, 223756), (624, 206544), (662, 194688), (676, 190656), (768, 167817), (832, 154908), (936, 137696), (993, 129792), (1014, 127104), (1152, 111878), (1248, 103272), (1324, 97344), (1352, 95328), (1521, 84736), (1664, 77454), (1872, 68848), (1986, 64896), (2028, 63552), (2304, 55939), (2496, 51636), (2648, 48672), (2704, 47664), (2979, 43264), (3042, 42368), (3328, 38727), (3744, 34424), (3972, 32448), (4056, 31776), (4303, 29952), (4992, 25818), (5296, 24336), (5408, 23832), (5958, 21632), (6084, 21184), (7488, 17212), (7944, 16224), (8112, 15888), (8606, 14976), (9984, 12909), (10592, 12168), (10816, 11916)]