256631040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22277}}^1$

素因数の和:22304

約数の個数: 108

約数和(自身を含む): 887956524

約数和(自身を除く): 631325484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22277, 44554, 66831, 89108, 111385, 133662, 178216, 200493, 222770, 267324, 334155, 356432, 400986, 445540, 534648, 668310, 712864, 801972, 891080, 1002465, 1069296, 1336620, 1425728, 1603944, 1782160, 2004930, 2138592, 2673240, 2851456, 3207888, 3564320, 4009860, 4277184, 5346480, 5702912, 6415776, 7128640, 8019720, 8554368, 10692960, 12831552, 14257280, 16039440, 17108736, 21385920, 25663104, 28514560, 32078880, 42771840, 51326208, 64157760, 85543680, 128315520, 256631040]

約数ペア:

[(1, 256631040), (2, 128315520), (3, 85543680), (4, 64157760), (5, 51326208), (6, 42771840), (8, 32078880), (9, 28514560), (10, 25663104), (12, 21385920), (15, 17108736), (16, 16039440), (18, 14257280), (20, 12831552), (24, 10692960), (30, 8554368), (32, 8019720), (36, 7128640), (40, 6415776), (45, 5702912), (48, 5346480), (60, 4277184), (64, 4009860), (72, 3564320), (80, 3207888), (90, 2851456), (96, 2673240), (120, 2138592), (128, 2004930), (144, 1782160), (160, 1603944), (180, 1425728), (192, 1336620), (240, 1069296), (256, 1002465), (288, 891080), (320, 801972), (360, 712864), (384, 668310), (480, 534648), (576, 445540), (640, 400986), (720, 356432), (768, 334155), (960, 267324), (1152, 222770), (1280, 200493), (1440, 178216), (1920, 133662), (2304, 111385), (2880, 89108), (3840, 66831), (5760, 44554), (11520, 22277)]