80837120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 239234688

約数和(自身を除く): 158397568

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 347, 364, 416, 448, 455, 512, 520, 560, 640, 694, 728, 832, 896, 910, 1040, 1120, 1280, 1388, 1456, 1664, 1735, 1792, 1820, 2080, 2240, 2429, 2560, 2776, 2912, 3328, 3470, 3584, 3640, 4160, 4480, 4511, 4858, 5552, 5824, 6656, 6940, 7280, 8320, 8960, 9022, 9716, 11104, 11648, 12145, 13880, 14560, 16640, 17920, 18044, 19432, 22208, 22555, 23296, 24290, 27760, 29120, 31577, 33280, 36088, 38864, 44416, 45110, 46592, 48580, 55520, 58240, 63154, 72176, 77728, 88832, 90220, 97160, 111040, 116480, 126308, 144352, 155456, 157885, 177664, 180440, 194320, 222080, 232960, 252616, 288704, 310912, 315770, 360880, 388640, 444160, 505232, 577408, 621824, 631540, 721760, 777280, 888320, 1010464, 1154816, 1243648, 1263080, 1443520, 1554560, 2020928, 2309632, 2526160, 2887040, 3109120, 4041856, 5052320, 5774080, 6218240, 8083712, 10104640, 11548160, 16167424, 20209280, 40418560, 80837120]

約数ペア:

[(1, 80837120), (2, 40418560), (4, 20209280), (5, 16167424), (7, 11548160), (8, 10104640), (10, 8083712), (13, 6218240), (14, 5774080), (16, 5052320), (20, 4041856), (26, 3109120), (28, 2887040), (32, 2526160), (35, 2309632), (40, 2020928), (52, 1554560), (56, 1443520), (64, 1263080), (65, 1243648), (70, 1154816), (80, 1010464), (91, 888320), (104, 777280), (112, 721760), (128, 631540), (130, 621824), (140, 577408), (160, 505232), (182, 444160), (208, 388640), (224, 360880), (256, 315770), (260, 310912), (280, 288704), (320, 252616), (347, 232960), (364, 222080), (416, 194320), (448, 180440), (455, 177664), (512, 157885), (520, 155456), (560, 144352), (640, 126308), (694, 116480), (728, 111040), (832, 97160), (896, 90220), (910, 88832), (1040, 77728), (1120, 72176), (1280, 63154), (1388, 58240), (1456, 55520), (1664, 48580), (1735, 46592), (1792, 45110), (1820, 44416), (2080, 38864), (2240, 36088), (2429, 33280), (2560, 31577), (2776, 29120), (2912, 27760), (3328, 24290), (3470, 23296), (3584, 22555), (3640, 22208), (4160, 19432), (4480, 18044), (4511, 17920), (4858, 16640), (5552, 14560), (5824, 13880), (6656, 12145), (6940, 11648), (7280, 11104), (8320, 9716), (8960, 9022)]