81774080

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1919

約数の個数: 80

約数和(自身を含む): 207709920

約数和(自身を除く): 125935840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1879, 2176, 2560, 2720, 3758, 4352, 5440, 7516, 8704, 9395, 10880, 15032, 18790, 21760, 30064, 31943, 37580, 43520, 60128, 63886, 75160, 120256, 127772, 150320, 159715, 240512, 255544, 300640, 319430, 481024, 511088, 601280, 638860, 962048, 1022176, 1202560, 1277720, 2044352, 2405120, 2555440, 4088704, 4810240, 5110880, 8177408, 10221760, 16354816, 20443520, 40887040, 81774080]

約数ペア:

[(1, 81774080), (2, 40887040), (4, 20443520), (5, 16354816), (8, 10221760), (10, 8177408), (16, 5110880), (17, 4810240), (20, 4088704), (32, 2555440), (34, 2405120), (40, 2044352), (64, 1277720), (68, 1202560), (80, 1022176), (85, 962048), (128, 638860), (136, 601280), (160, 511088), (170, 481024), (256, 319430), (272, 300640), (320, 255544), (340, 240512), (512, 159715), (544, 150320), (640, 127772), (680, 120256), (1088, 75160), (1280, 63886), (1360, 60128), (1879, 43520), (2176, 37580), (2560, 31943), (2720, 30064), (3758, 21760), (4352, 18790), (5440, 15032), (7516, 10880), (8704, 9395)]