28938240

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 156

約数和(自身を含む): 100945884

約数和(自身を除く): 72007644

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, 157, 160, 180, 192, 240, 256, 288, 314, 320, 360, 384, 471, 480, 512, 576, 628, 640, 720, 768, 785, 942, 960, 1024, 1152, 1256, 1280, 1413, 1440, 1536, 1570, 1884, 1920, 2048, 2304, 2355, 2512, 2560, 2826, 2880, 3072, 3140, 3768, 3840, 4096, 4608, 4710, 5024, 5120, 5652, 5760, 6144, 6280, 7065, 7536, 7680, 9216, 9420, 10048, 10240, 11304, 11520, 12288, 12560, 14130, 15072, 15360, 18432, 18840, 20096, 20480, 22608, 23040, 25120, 28260, 30144, 30720, 36864, 37680, 40192, 45216, 46080, 50240, 56520, 60288, 61440, 75360, 80384, 90432, 92160, 100480, 113040, 120576, 150720, 160768, 180864, 184320, 200960, 226080, 241152, 301440, 321536, 361728, 401920, 452160, 482304, 602880, 643072, 723456, 803840, 904320, 964608, 1205760, 1446912, 1607680, 1808640, 1929216, 2411520, 2893824, 3215360, 3617280, 4823040, 5787648, 7234560, 9646080, 14469120, 28938240]

約数ペア:

[(1, 28938240), (2, 14469120), (3, 9646080), (4, 7234560), (5, 5787648), (6, 4823040), (8, 3617280), (9, 3215360), (10, 2893824), (12, 2411520), (15, 1929216), (16, 1808640), (18, 1607680), (20, 1446912), (24, 1205760), (30, 964608), (32, 904320), (36, 803840), (40, 723456), (45, 643072), (48, 602880), (60, 482304), (64, 452160), (72, 401920), (80, 361728), (90, 321536), (96, 301440), (120, 241152), (128, 226080), (144, 200960), (157, 184320), (160, 180864), (180, 160768), (192, 150720), (240, 120576), (256, 113040), (288, 100480), (314, 92160), (320, 90432), (360, 80384), (384, 75360), (471, 61440), (480, 60288), (512, 56520), (576, 50240), (628, 46080), (640, 45216), (720, 40192), (768, 37680), (785, 36864), (942, 30720), (960, 30144), (1024, 28260), (1152, 25120), (1256, 23040), (1280, 22608), (1413, 20480), (1440, 20096), (1536, 18840), (1570, 18432), (1884, 15360), (1920, 15072), (2048, 14130), (2304, 12560), (2355, 12288), (2512, 11520), (2560, 11304), (2826, 10240), (2880, 10048), (3072, 9420), (3140, 9216), (3768, 7680), (3840, 7536), (4096, 7065), (4608, 6280), (4710, 6144), (5024, 5760), (5120, 5652)]