162561280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18143}}^1$

素因数の和:18171

約数の個数: 72

約数和(自身を含む): 445036032

約数和(自身を除く): 282474752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18143, 36286, 72572, 90715, 127001, 145144, 181430, 254002, 290288, 362860, 508004, 580576, 635005, 725720, 1016008, 1161152, 1270010, 1451440, 2032016, 2322304, 2540020, 2902880, 4064032, 4644608, 5080040, 5805760, 8128064, 10160080, 11611520, 16256128, 20320160, 23223040, 32512256, 40640320, 81280640, 162561280]

約数ペア:

[(1, 162561280), (2, 81280640), (4, 40640320), (5, 32512256), (7, 23223040), (8, 20320160), (10, 16256128), (14, 11611520), (16, 10160080), (20, 8128064), (28, 5805760), (32, 5080040), (35, 4644608), (40, 4064032), (56, 2902880), (64, 2540020), (70, 2322304), (80, 2032016), (112, 1451440), (128, 1270010), (140, 1161152), (160, 1016008), (224, 725720), (256, 635005), (280, 580576), (320, 508004), (448, 362860), (560, 290288), (640, 254002), (896, 181430), (1120, 145144), (1280, 127001), (1792, 90715), (2240, 72572), (4480, 36286), (8960, 18143)]