138270720

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 192

約数和(自身を含む): 506338560

約数和(自身を除く): 368067840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 643, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1286, 1344, 1536, 1680, 1792, 1920, 1929, 2048, 2240, 2560, 2572, 2688, 3072, 3215, 3360, 3584, 3840, 3858, 4480, 4501, 5120, 5144, 5376, 6144, 6430, 6720, 7168, 7680, 7716, 8960, 9002, 9645, 10240, 10288, 10752, 12860, 13440, 13503, 14336, 15360, 15432, 17920, 18004, 19290, 20576, 21504, 22505, 25720, 26880, 27006, 30720, 30864, 35840, 36008, 38580, 41152, 43008, 45010, 51440, 53760, 54012, 61728, 67515, 71680, 72016, 77160, 82304, 90020, 102880, 107520, 108024, 123456, 135030, 144032, 154320, 164608, 180040, 205760, 215040, 216048, 246912, 270060, 288064, 308640, 329216, 360080, 411520, 432096, 493824, 540120, 576128, 617280, 658432, 720160, 823040, 864192, 987648, 1080240, 1152256, 1234560, 1316864, 1440320, 1646080, 1728384, 1975296, 2160480, 2304512, 2469120, 2880640, 3292160, 3456768, 3950592, 4320960, 4609024, 4938240, 5761280, 6584320, 6913536, 8641920, 9218048, 9876480, 11522560, 13827072, 17283840, 19752960, 23045120, 27654144, 34567680, 46090240, 69135360, 138270720]

約数ペア:

[(1, 138270720), (2, 69135360), (3, 46090240), (4, 34567680), (5, 27654144), (6, 23045120), (7, 19752960), (8, 17283840), (10, 13827072), (12, 11522560), (14, 9876480), (15, 9218048), (16, 8641920), (20, 6913536), (21, 6584320), (24, 5761280), (28, 4938240), (30, 4609024), (32, 4320960), (35, 3950592), (40, 3456768), (42, 3292160), (48, 2880640), (56, 2469120), (60, 2304512), (64, 2160480), (70, 1975296), (80, 1728384), (84, 1646080), (96, 1440320), (105, 1316864), (112, 1234560), (120, 1152256), (128, 1080240), (140, 987648), (160, 864192), (168, 823040), (192, 720160), (210, 658432), (224, 617280), (240, 576128), (256, 540120), (280, 493824), (320, 432096), (336, 411520), (384, 360080), (420, 329216), (448, 308640), (480, 288064), (512, 270060), (560, 246912), (640, 216048), (643, 215040), (672, 205760), (768, 180040), (840, 164608), (896, 154320), (960, 144032), (1024, 135030), (1120, 123456), (1280, 108024), (1286, 107520), (1344, 102880), (1536, 90020), (1680, 82304), (1792, 77160), (1920, 72016), (1929, 71680), (2048, 67515), (2240, 61728), (2560, 54012), (2572, 53760), (2688, 51440), (3072, 45010), (3215, 43008), (3360, 41152), (3584, 38580), (3840, 36008), (3858, 35840), (4480, 30864), (4501, 30720), (5120, 27006), (5144, 26880), (5376, 25720), (6144, 22505), (6430, 21504), (6720, 20576), (7168, 19290), (7680, 18004), (7716, 17920), (8960, 15432), (9002, 15360), (9645, 14336), (10240, 13503), (10288, 13440), (10752, 12860)]