80655840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 279115200

約数和(自身を除く): 198459360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 709, 711, 720, 790, 948, 1185, 1264, 1418, 1422, 1440, 1580, 1896, 2127, 2370, 2528, 2836, 2844, 3160, 3545, 3555, 3792, 4254, 4740, 5672, 5688, 6320, 6381, 7090, 7110, 7584, 8508, 9480, 10635, 11344, 11376, 12640, 12762, 14180, 14220, 17016, 18960, 21270, 22688, 22752, 25524, 28360, 28440, 31905, 34032, 37920, 42540, 51048, 56011, 56720, 56880, 63810, 68064, 85080, 102096, 112022, 113440, 113760, 127620, 168033, 170160, 204192, 224044, 255240, 280055, 336066, 340320, 448088, 504099, 510480, 560110, 672132, 840165, 896176, 1008198, 1020960, 1120220, 1344264, 1680330, 1792352, 2016396, 2240440, 2520495, 2688528, 3360660, 4032792, 4480880, 5040990, 5377056, 6721320, 8065584, 8961760, 10081980, 13442640, 16131168, 20163960, 26885280, 40327920, 80655840]

約数ペア:

[(1, 80655840), (2, 40327920), (3, 26885280), (4, 20163960), (5, 16131168), (6, 13442640), (8, 10081980), (9, 8961760), (10, 8065584), (12, 6721320), (15, 5377056), (16, 5040990), (18, 4480880), (20, 4032792), (24, 3360660), (30, 2688528), (32, 2520495), (36, 2240440), (40, 2016396), (45, 1792352), (48, 1680330), (60, 1344264), (72, 1120220), (79, 1020960), (80, 1008198), (90, 896176), (96, 840165), (120, 672132), (144, 560110), (158, 510480), (160, 504099), (180, 448088), (237, 340320), (240, 336066), (288, 280055), (316, 255240), (360, 224044), (395, 204192), (474, 170160), (480, 168033), (632, 127620), (709, 113760), (711, 113440), (720, 112022), (790, 102096), (948, 85080), (1185, 68064), (1264, 63810), (1418, 56880), (1422, 56720), (1440, 56011), (1580, 51048), (1896, 42540), (2127, 37920), (2370, 34032), (2528, 31905), (2836, 28440), (2844, 28360), (3160, 25524), (3545, 22752), (3555, 22688), (3792, 21270), (4254, 18960), (4740, 17016), (5672, 14220), (5688, 14180), (6320, 12762), (6381, 12640), (7090, 11376), (7110, 11344), (7584, 10635), (8508, 9480)]