18731520

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 48049920

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, 271, 288, 320, 360, 384, 432, 480, 512, 540, 542, 576, 640, 720, 768, 813, 864, 960, 1080, 1084, 1152, 1280, 1355, 1440, 1536, 1626, 1728, 1920, 2160, 2168, 2304, 2439, 2560, 2710, 2880, 3252, 3456, 3840, 4065, 4320, 4336, 4608, 4878, 5420, 5760, 6504, 6912, 7317, 7680, 8130, 8640, 8672, 9756, 10840, 11520, 12195, 13008, 13824, 14634, 16260, 17280, 17344, 19512, 21680, 23040, 24390, 26016, 29268, 32520, 34560, 34688, 36585, 39024, 43360, 48780, 52032, 58536, 65040, 69120, 69376, 73170, 78048, 86720, 97560, 104064, 117072, 130080, 138752, 146340, 156096, 173440, 195120, 208128, 234144, 260160, 292680, 312192, 346880, 390240, 416256, 468288, 520320, 585360, 624384, 693760, 780480, 936576, 1040640, 1170720, 1248768, 1560960, 1873152, 2081280, 2341440, 3121920, 3746304, 4682880, 6243840, 9365760, 18731520]

約数ペア:

[(1, 18731520), (2, 9365760), (3, 6243840), (4, 4682880), (5, 3746304), (6, 3121920), (8, 2341440), (9, 2081280), (10, 1873152), (12, 1560960), (15, 1248768), (16, 1170720), (18, 1040640), (20, 936576), (24, 780480), (27, 693760), (30, 624384), (32, 585360), (36, 520320), (40, 468288), (45, 416256), (48, 390240), (54, 346880), (60, 312192), (64, 292680), (72, 260160), (80, 234144), (90, 208128), (96, 195120), (108, 173440), (120, 156096), (128, 146340), (135, 138752), (144, 130080), (160, 117072), (180, 104064), (192, 97560), (216, 86720), (240, 78048), (256, 73170), (270, 69376), (271, 69120), (288, 65040), (320, 58536), (360, 52032), (384, 48780), (432, 43360), (480, 39024), (512, 36585), (540, 34688), (542, 34560), (576, 32520), (640, 29268), (720, 26016), (768, 24390), (813, 23040), (864, 21680), (960, 19512), (1080, 17344), (1084, 17280), (1152, 16260), (1280, 14634), (1355, 13824), (1440, 13008), (1536, 12195), (1626, 11520), (1728, 10840), (1920, 9756), (2160, 8672), (2168, 8640), (2304, 8130), (2439, 7680), (2560, 7317), (2710, 6912), (2880, 6504), (3252, 5760), (3456, 5420), (3840, 4878), (4065, 4608), (4320, 4336)]