76481280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 144

約数和(自身を含む): 271524960

約数和(自身を除く): 195043680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2213, 2304, 2880, 3456, 3840, 4320, 4426, 5760, 6639, 6912, 8640, 8852, 11065, 11520, 13278, 17280, 17704, 19917, 22130, 26556, 33195, 34560, 35408, 39834, 44260, 53112, 59751, 66390, 70816, 79668, 88520, 99585, 106224, 119502, 132780, 141632, 159336, 177040, 199170, 212448, 239004, 265560, 283264, 298755, 318672, 354080, 398340, 424896, 478008, 531120, 566528, 597510, 637344, 708160, 796680, 849792, 956016, 1062240, 1195020, 1274688, 1416320, 1593360, 1699584, 1912032, 2124480, 2390040, 2549376, 2832640, 3186720, 3824064, 4248960, 4780080, 5098752, 6373440, 7648128, 8497920, 9560160, 12746880, 15296256, 19120320, 25493760, 38240640, 76481280]

約数ペア:

[(1, 76481280), (2, 38240640), (3, 25493760), (4, 19120320), (5, 15296256), (6, 12746880), (8, 9560160), (9, 8497920), (10, 7648128), (12, 6373440), (15, 5098752), (16, 4780080), (18, 4248960), (20, 3824064), (24, 3186720), (27, 2832640), (30, 2549376), (32, 2390040), (36, 2124480), (40, 1912032), (45, 1699584), (48, 1593360), (54, 1416320), (60, 1274688), (64, 1195020), (72, 1062240), (80, 956016), (90, 849792), (96, 796680), (108, 708160), (120, 637344), (128, 597510), (135, 566528), (144, 531120), (160, 478008), (180, 424896), (192, 398340), (216, 354080), (240, 318672), (256, 298755), (270, 283264), (288, 265560), (320, 239004), (360, 212448), (384, 199170), (432, 177040), (480, 159336), (540, 141632), (576, 132780), (640, 119502), (720, 106224), (768, 99585), (864, 88520), (960, 79668), (1080, 70816), (1152, 66390), (1280, 59751), (1440, 53112), (1728, 44260), (1920, 39834), (2160, 35408), (2213, 34560), (2304, 33195), (2880, 26556), (3456, 22130), (3840, 19917), (4320, 17704), (4426, 17280), (5760, 13278), (6639, 11520), (6912, 11065), (8640, 8852)]