161311680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:811

約数の個数: 168

約数和(自身を含む): 562660800

約数和(自身を除く): 401349120

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, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 632, 709, 711, 720, 790, 948, 960, 1185, 1264, 1418, 1422, 1440, 1580, 1896, 2127, 2370, 2528, 2836, 2844, 2880, 3160, 3545, 3555, 3792, 4254, 4740, 5056, 5672, 5688, 6320, 6381, 7090, 7110, 7584, 8508, 9480, 10635, 11344, 11376, 12640, 12762, 14180, 14220, 15168, 17016, 18960, 21270, 22688, 22752, 25280, 25524, 28360, 28440, 31905, 34032, 37920, 42540, 45376, 45504, 51048, 56011, 56720, 56880, 63810, 68064, 75840, 85080, 102096, 112022, 113440, 113760, 127620, 136128, 168033, 170160, 204192, 224044, 226880, 227520, 255240, 280055, 336066, 340320, 408384, 448088, 504099, 510480, 560110, 672132, 680640, 840165, 896176, 1008198, 1020960, 1120220, 1344264, 1680330, 1792352, 2016396, 2041920, 2240440, 2520495, 2688528, 3360660, 3584704, 4032792, 4480880, 5040990, 5377056, 6721320, 8065584, 8961760, 10081980, 10754112, 13442640, 16131168, 17923520, 20163960, 26885280, 32262336, 40327920, 53770560, 80655840, 161311680]

約数ペア:

[(1, 161311680), (2, 80655840), (3, 53770560), (4, 40327920), (5, 32262336), (6, 26885280), (8, 20163960), (9, 17923520), (10, 16131168), (12, 13442640), (15, 10754112), (16, 10081980), (18, 8961760), (20, 8065584), (24, 6721320), (30, 5377056), (32, 5040990), (36, 4480880), (40, 4032792), (45, 3584704), (48, 3360660), (60, 2688528), (64, 2520495), (72, 2240440), (79, 2041920), (80, 2016396), (90, 1792352), (96, 1680330), (120, 1344264), (144, 1120220), (158, 1020960), (160, 1008198), (180, 896176), (192, 840165), (237, 680640), (240, 672132), (288, 560110), (316, 510480), (320, 504099), (360, 448088), (395, 408384), (474, 340320), (480, 336066), (576, 280055), (632, 255240), (709, 227520), (711, 226880), (720, 224044), (790, 204192), (948, 170160), (960, 168033), (1185, 136128), (1264, 127620), (1418, 113760), (1422, 113440), (1440, 112022), (1580, 102096), (1896, 85080), (2127, 75840), (2370, 68064), (2528, 63810), (2836, 56880), (2844, 56720), (2880, 56011), (3160, 51048), (3545, 45504), (3555, 45376), (3792, 42540), (4254, 37920), (4740, 34032), (5056, 31905), (5672, 28440), (5688, 28360), (6320, 25524), (6381, 25280), (7090, 22752), (7110, 22688), (7584, 21270), (8508, 18960), (9480, 17016), (10635, 15168), (11344, 14220), (11376, 14180), (12640, 12762)]