123371520

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 396355680

約数和(自身を除く): 272984160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 251, 256, 320, 384, 480, 502, 512, 640, 753, 768, 960, 1004, 1024, 1255, 1280, 1506, 1536, 1920, 2008, 2048, 2510, 2560, 3012, 3072, 3765, 3840, 4016, 4096, 5020, 5120, 6024, 6144, 7530, 7680, 8032, 8192, 10040, 10240, 12048, 12288, 15060, 15360, 16064, 16384, 20080, 20480, 24096, 24576, 30120, 30720, 32128, 32768, 40160, 40960, 48192, 49152, 60240, 61440, 64256, 80320, 81920, 96384, 98304, 120480, 122880, 128512, 160640, 163840, 192768, 240960, 245760, 257024, 321280, 385536, 481920, 491520, 514048, 642560, 771072, 963840, 1028096, 1285120, 1542144, 1927680, 2056192, 2570240, 3084288, 3855360, 4112384, 5140480, 6168576, 7710720, 8224768, 10280960, 12337152, 15421440, 20561920, 24674304, 30842880, 41123840, 61685760, 123371520]

約数ペア:

[(1, 123371520), (2, 61685760), (3, 41123840), (4, 30842880), (5, 24674304), (6, 20561920), (8, 15421440), (10, 12337152), (12, 10280960), (15, 8224768), (16, 7710720), (20, 6168576), (24, 5140480), (30, 4112384), (32, 3855360), (40, 3084288), (48, 2570240), (60, 2056192), (64, 1927680), (80, 1542144), (96, 1285120), (120, 1028096), (128, 963840), (160, 771072), (192, 642560), (240, 514048), (251, 491520), (256, 481920), (320, 385536), (384, 321280), (480, 257024), (502, 245760), (512, 240960), (640, 192768), (753, 163840), (768, 160640), (960, 128512), (1004, 122880), (1024, 120480), (1255, 98304), (1280, 96384), (1506, 81920), (1536, 80320), (1920, 64256), (2008, 61440), (2048, 60240), (2510, 49152), (2560, 48192), (3012, 40960), (3072, 40160), (3765, 32768), (3840, 32128), (4016, 30720), (4096, 30120), (5020, 24576), (5120, 24096), (6024, 20480), (6144, 20080), (7530, 16384), (7680, 16064), (8032, 15360), (8192, 15060), (10040, 12288), (10240, 12048)]