81855360

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{1579}}^1$

素因数の和:1610

約数の個数: 160

約数和(自身を含む): 292505400

約数和(自身を除く): 210650040

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1579, 1620, 1728, 1920, 2160, 2592, 2880, 3158, 3240, 3456, 4320, 4737, 5184, 5760, 6316, 6480, 7895, 8640, 9474, 10368, 12632, 12960, 14211, 15790, 17280, 18948, 23685, 25264, 25920, 28422, 31580, 37896, 42633, 47370, 50528, 51840, 56844, 63160, 71055, 75792, 85266, 94740, 101056, 113688, 126320, 127899, 142110, 151584, 170532, 189480, 202112, 213165, 227376, 252640, 255798, 284220, 303168, 341064, 378960, 426330, 454752, 505280, 511596, 568440, 606336, 639495, 682128, 757920, 852660, 909504, 1010560, 1023192, 1136880, 1278990, 1364256, 1515840, 1705320, 1819008, 2046384, 2273760, 2557980, 2728512, 3031680, 3410640, 4092768, 4547520, 5115960, 5457024, 6821280, 8185536, 9095040, 10231920, 13642560, 16371072, 20463840, 27285120, 40927680, 81855360]

約数ペア:

[(1, 81855360), (2, 40927680), (3, 27285120), (4, 20463840), (5, 16371072), (6, 13642560), (8, 10231920), (9, 9095040), (10, 8185536), (12, 6821280), (15, 5457024), (16, 5115960), (18, 4547520), (20, 4092768), (24, 3410640), (27, 3031680), (30, 2728512), (32, 2557980), (36, 2273760), (40, 2046384), (45, 1819008), (48, 1705320), (54, 1515840), (60, 1364256), (64, 1278990), (72, 1136880), (80, 1023192), (81, 1010560), (90, 909504), (96, 852660), (108, 757920), (120, 682128), (128, 639495), (135, 606336), (144, 568440), (160, 511596), (162, 505280), (180, 454752), (192, 426330), (216, 378960), (240, 341064), (270, 303168), (288, 284220), (320, 255798), (324, 252640), (360, 227376), (384, 213165), (405, 202112), (432, 189480), (480, 170532), (540, 151584), (576, 142110), (640, 127899), (648, 126320), (720, 113688), (810, 101056), (864, 94740), (960, 85266), (1080, 75792), (1152, 71055), (1296, 63160), (1440, 56844), (1579, 51840), (1620, 50528), (1728, 47370), (1920, 42633), (2160, 37896), (2592, 31580), (2880, 28422), (3158, 25920), (3240, 25264), (3456, 23685), (4320, 18948), (4737, 17280), (5184, 15790), (5760, 14211), (6316, 12960), (6480, 12632), (7895, 10368), (8640, 9474)]