16948318720

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:746

約数の個数: 160

約数和(自身を含む): 41467345920

約数和(自身を除く): 24519027200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 181, 256, 316, 320, 362, 395, 463, 512, 632, 640, 724, 790, 905, 926, 1264, 1280, 1448, 1580, 1810, 1852, 2315, 2528, 2560, 2896, 3160, 3620, 3704, 4630, 5056, 5792, 6320, 7240, 7408, 9260, 10112, 11584, 12640, 14299, 14480, 14816, 18520, 20224, 23168, 25280, 28598, 28960, 29632, 36577, 37040, 40448, 46336, 50560, 57196, 57920, 59264, 71495, 73154, 74080, 83803, 92672, 101120, 114392, 115840, 118528, 142990, 146308, 148160, 167606, 182885, 202240, 228784, 231680, 237056, 285980, 292616, 296320, 335212, 365770, 419015, 457568, 463360, 571960, 585232, 592640, 670424, 731540, 838030, 915136, 1143920, 1170464, 1185280, 1340848, 1463080, 1676060, 1830272, 2287840, 2340928, 2681696, 2926160, 3352120, 3660544, 4575680, 4681856, 5363392, 5852320, 6620437, 6704240, 7321088, 9151360, 9363712, 10726784, 11704640, 13240874, 13408480, 18302720, 18727424, 21453568, 23409280, 26481748, 26816960, 33102185, 36605440, 42907136, 46818560, 52963496, 53633920, 66204370, 93637120, 105926992, 107267840, 132408740, 211853984, 214535680, 264817480, 423707968, 529634960, 847415936, 1059269920, 1694831872, 2118539840, 3389663744, 4237079680, 8474159360, 16948318720]

約数ペア:

[(1, 16948318720), (2, 8474159360), (4, 4237079680), (5, 3389663744), (8, 2118539840), (10, 1694831872), (16, 1059269920), (20, 847415936), (32, 529634960), (40, 423707968), (64, 264817480), (79, 214535680), (80, 211853984), (128, 132408740), (158, 107267840), (160, 105926992), (181, 93637120), (256, 66204370), (316, 53633920), (320, 52963496), (362, 46818560), (395, 42907136), (463, 36605440), (512, 33102185), (632, 26816960), (640, 26481748), (724, 23409280), (790, 21453568), (905, 18727424), (926, 18302720), (1264, 13408480), (1280, 13240874), (1448, 11704640), (1580, 10726784), (1810, 9363712), (1852, 9151360), (2315, 7321088), (2528, 6704240), (2560, 6620437), (2896, 5852320), (3160, 5363392), (3620, 4681856), (3704, 4575680), (4630, 3660544), (5056, 3352120), (5792, 2926160), (6320, 2681696), (7240, 2340928), (7408, 2287840), (9260, 1830272), (10112, 1676060), (11584, 1463080), (12640, 1340848), (14299, 1185280), (14480, 1170464), (14816, 1143920), (18520, 915136), (20224, 838030), (23168, 731540), (25280, 670424), (28598, 592640), (28960, 585232), (29632, 571960), (36577, 463360), (37040, 457568), (40448, 419015), (46336, 365770), (50560, 335212), (57196, 296320), (57920, 292616), (59264, 285980), (71495, 237056), (73154, 231680), (74080, 228784), (83803, 202240), (92672, 182885), (101120, 167606), (114392, 148160), (115840, 146308), (118528, 142990)]