127788960

素因数分解:

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

素因数の和:20510

約数の個数: 96

約数和(自身を含む): 433520640

約数和(自身を除く): 305731680

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 20479, 40958, 61437, 81916, 102395, 122874, 163832, 204790, 245748, 266227, 307185, 327664, 409580, 491496, 532454, 614370, 655328, 798681, 819160, 982992, 1064908, 1228740, 1331135, 1597362, 1638320, 1965984, 2129816, 2457480, 2662270, 3194724, 3276640, 3993405, 4259632, 4914960, 5324540, 6389448, 7986810, 8519264, 9829920, 10649080, 12778896, 15973620, 21298160, 25557792, 31947240, 42596320, 63894480, 127788960]

約数ペア:

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