128591280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1668

約数の個数: 160

約数和(自身を含む): 455179200

約数和(自身を除く): 326587920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1609, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3218, 3330, 3996, 4440, 4827, 4995, 5328, 6436, 6660, 7992, 8045, 8880, 9654, 9990, 12872, 13320, 14481, 15984, 16090, 19308, 19980, 24135, 25744, 26640, 28962, 32180, 38616, 39960, 43443, 48270, 57924, 59533, 64360, 72405, 77232, 79920, 86886, 96540, 115848, 119066, 128720, 144810, 173772, 178599, 193080, 217215, 231696, 238132, 289620, 297665, 347544, 357198, 386160, 434430, 476264, 535797, 579240, 595330, 695088, 714396, 868860, 892995, 952528, 1071594, 1158480, 1190660, 1428792, 1607391, 1737720, 1785990, 2143188, 2381320, 2678985, 2857584, 3214782, 3475440, 3571980, 4286376, 4762640, 5357970, 6429564, 7143960, 8036955, 8572752, 10715940, 12859128, 14287920, 16073910, 21431880, 25718256, 32147820, 42863760, 64295640, 128591280]

約数ペア:

[(1, 128591280), (2, 64295640), (3, 42863760), (4, 32147820), (5, 25718256), (6, 21431880), (8, 16073910), (9, 14287920), (10, 12859128), (12, 10715940), (15, 8572752), (16, 8036955), (18, 7143960), (20, 6429564), (24, 5357970), (27, 4762640), (30, 4286376), (36, 3571980), (37, 3475440), (40, 3214782), (45, 2857584), (48, 2678985), (54, 2381320), (60, 2143188), (72, 1785990), (74, 1737720), (80, 1607391), (90, 1428792), (108, 1190660), (111, 1158480), (120, 1071594), (135, 952528), (144, 892995), (148, 868860), (180, 714396), (185, 695088), (216, 595330), (222, 579240), (240, 535797), (270, 476264), (296, 434430), (333, 386160), (360, 357198), (370, 347544), (432, 297665), (444, 289620), (540, 238132), (555, 231696), (592, 217215), (666, 193080), (720, 178599), (740, 173772), (888, 144810), (999, 128720), (1080, 119066), (1110, 115848), (1332, 96540), (1480, 86886), (1609, 79920), (1665, 77232), (1776, 72405), (1998, 64360), (2160, 59533), (2220, 57924), (2664, 48270), (2960, 43443), (3218, 39960), (3330, 38616), (3996, 32180), (4440, 28962), (4827, 26640), (4995, 25744), (5328, 24135), (6436, 19980), (6660, 19308), (7992, 16090), (8045, 15984), (8880, 14481), (9654, 13320), (9990, 12872)]