1804673920

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{8221}}^1$

素因数の和:8261

約数の個数: 128

約数和(自身を含む): 5031864000

約数和(自身を除く): 3227190080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7840, 8221, 10976, 13720, 15680, 16442, 21952, 27440, 31360, 32884, 41105, 43904, 54880, 57547, 65768, 82210, 109760, 115094, 131536, 164420, 219520, 230188, 263072, 287735, 328840, 402829, 460376, 526144, 575470, 657680, 805658, 920752, 1052288, 1150940, 1315360, 1611316, 1841504, 2014145, 2301880, 2630720, 2819803, 3222632, 3683008, 4028290, 4603760, 5261440, 5639606, 6445264, 7366016, 8056580, 9207520, 11279212, 12890528, 14099015, 16113160, 18415040, 22558424, 25781056, 28198030, 32226320, 36830080, 45116848, 51562112, 56396060, 64452640, 90233696, 112792120, 128905280, 180467392, 225584240, 257810560, 360934784, 451168480, 902336960, 1804673920]

約数ペア:

[(1, 1804673920), (2, 902336960), (4, 451168480), (5, 360934784), (7, 257810560), (8, 225584240), (10, 180467392), (14, 128905280), (16, 112792120), (20, 90233696), (28, 64452640), (32, 56396060), (35, 51562112), (40, 45116848), (49, 36830080), (56, 32226320), (64, 28198030), (70, 25781056), (80, 22558424), (98, 18415040), (112, 16113160), (128, 14099015), (140, 12890528), (160, 11279212), (196, 9207520), (224, 8056580), (245, 7366016), (280, 6445264), (320, 5639606), (343, 5261440), (392, 4603760), (448, 4028290), (490, 3683008), (560, 3222632), (640, 2819803), (686, 2630720), (784, 2301880), (896, 2014145), (980, 1841504), (1120, 1611316), (1372, 1315360), (1568, 1150940), (1715, 1052288), (1960, 920752), (2240, 805658), (2744, 657680), (3136, 575470), (3430, 526144), (3920, 460376), (4480, 402829), (5488, 328840), (6272, 287735), (6860, 263072), (7840, 230188), (8221, 219520), (10976, 164420), (13720, 131536), (15680, 115094), (16442, 109760), (21952, 82210), (27440, 65768), (31360, 57547), (32884, 54880), (41105, 43904)]