261795840

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{4261}}^1$

素因数の和:4293

約数の個数: 104

約数和(自身を含む): 837841008

約数和(自身を除く): 576045168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 4261, 5120, 6144, 7680, 8522, 10240, 12288, 12783, 15360, 17044, 20480, 21305, 25566, 30720, 34088, 42610, 51132, 61440, 63915, 68176, 85220, 102264, 127830, 136352, 170440, 204528, 255660, 272704, 340880, 409056, 511320, 545408, 681760, 818112, 1022640, 1090816, 1363520, 1636224, 2045280, 2181632, 2727040, 3272448, 4090560, 4363264, 5454080, 6544896, 8181120, 8726528, 10908160, 13089792, 16362240, 17453056, 21816320, 26179584, 32724480, 43632640, 52359168, 65448960, 87265280, 130897920, 261795840]

約数ペア:

[(1, 261795840), (2, 130897920), (3, 87265280), (4, 65448960), (5, 52359168), (6, 43632640), (8, 32724480), (10, 26179584), (12, 21816320), (15, 17453056), (16, 16362240), (20, 13089792), (24, 10908160), (30, 8726528), (32, 8181120), (40, 6544896), (48, 5454080), (60, 4363264), (64, 4090560), (80, 3272448), (96, 2727040), (120, 2181632), (128, 2045280), (160, 1636224), (192, 1363520), (240, 1090816), (256, 1022640), (320, 818112), (384, 681760), (480, 545408), (512, 511320), (640, 409056), (768, 340880), (960, 272704), (1024, 255660), (1280, 204528), (1536, 170440), (1920, 136352), (2048, 127830), (2560, 102264), (3072, 85220), (3840, 68176), (4096, 63915), (4261, 61440), (5120, 51132), (6144, 42610), (7680, 34088), (8522, 30720), (10240, 25566), (12288, 21305), (12783, 20480), (15360, 17044)]