28581120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{827}}^1$

素因数の和:857

約数の個数: 144

約数和(自身を含む): 101545920

約数和(自身を除く): 72964800

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, 827, 864, 960, 1080, 1152, 1280, 1440, 1654, 1728, 1920, 2160, 2304, 2481, 2880, 3308, 3456, 3840, 4135, 4320, 4962, 5760, 6616, 6912, 7443, 8270, 8640, 9924, 11520, 12405, 13232, 14886, 16540, 17280, 19848, 22329, 24810, 26464, 29772, 33080, 34560, 37215, 39696, 44658, 49620, 52928, 59544, 66160, 74430, 79392, 89316, 99240, 105856, 111645, 119088, 132320, 148860, 158784, 178632, 198480, 211712, 223290, 238176, 264640, 297720, 317568, 357264, 396960, 446580, 476352, 529280, 595440, 635136, 714528, 793920, 893160, 952704, 1058560, 1190880, 1429056, 1587840, 1786320, 1905408, 2381760, 2858112, 3175680, 3572640, 4763520, 5716224, 7145280, 9527040, 14290560, 28581120]

約数ペア:

[(1, 28581120), (2, 14290560), (3, 9527040), (4, 7145280), (5, 5716224), (6, 4763520), (8, 3572640), (9, 3175680), (10, 2858112), (12, 2381760), (15, 1905408), (16, 1786320), (18, 1587840), (20, 1429056), (24, 1190880), (27, 1058560), (30, 952704), (32, 893160), (36, 793920), (40, 714528), (45, 635136), (48, 595440), (54, 529280), (60, 476352), (64, 446580), (72, 396960), (80, 357264), (90, 317568), (96, 297720), (108, 264640), (120, 238176), (128, 223290), (135, 211712), (144, 198480), (160, 178632), (180, 158784), (192, 148860), (216, 132320), (240, 119088), (256, 111645), (270, 105856), (288, 99240), (320, 89316), (360, 79392), (384, 74430), (432, 66160), (480, 59544), (540, 52928), (576, 49620), (640, 44658), (720, 39696), (768, 37215), (827, 34560), (864, 33080), (960, 29772), (1080, 26464), (1152, 24810), (1280, 22329), (1440, 19848), (1654, 17280), (1728, 16540), (1920, 14886), (2160, 13232), (2304, 12405), (2481, 11520), (2880, 9924), (3308, 8640), (3456, 8270), (3840, 7443), (4135, 6912), (4320, 6616), (4962, 5760)]