255577920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20512

約数の個数: 112

約数和(自身を含む): 873922560

約数和(自身を除く): 618344640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 20479, 40958, 61437, 81916, 102395, 122874, 163832, 204790, 245748, 266227, 307185, 327664, 409580, 491496, 532454, 614370, 655328, 798681, 819160, 982992, 1064908, 1228740, 1310656, 1331135, 1597362, 1638320, 1965984, 2129816, 2457480, 2662270, 3194724, 3276640, 3931968, 3993405, 4259632, 4914960, 5324540, 6389448, 6553280, 7986810, 8519264, 9829920, 10649080, 12778896, 15973620, 17038528, 19659840, 21298160, 25557792, 31947240, 42596320, 51115584, 63894480, 85192640, 127788960, 255577920]

約数ペア:

[(1, 255577920), (2, 127788960), (3, 85192640), (4, 63894480), (5, 51115584), (6, 42596320), (8, 31947240), (10, 25557792), (12, 21298160), (13, 19659840), (15, 17038528), (16, 15973620), (20, 12778896), (24, 10649080), (26, 9829920), (30, 8519264), (32, 7986810), (39, 6553280), (40, 6389448), (48, 5324540), (52, 4914960), (60, 4259632), (64, 3993405), (65, 3931968), (78, 3276640), (80, 3194724), (96, 2662270), (104, 2457480), (120, 2129816), (130, 1965984), (156, 1638320), (160, 1597362), (192, 1331135), (195, 1310656), (208, 1228740), (240, 1064908), (260, 982992), (312, 819160), (320, 798681), (390, 655328), (416, 614370), (480, 532454), (520, 491496), (624, 409580), (780, 327664), (832, 307185), (960, 266227), (1040, 245748), (1248, 204790), (1560, 163832), (2080, 122874), (2496, 102395), (3120, 81916), (4160, 61437), (6240, 40958), (12480, 20479)]