138608640

素因数分解:

$2^{16}\times 3^2\times 5^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 204

約数和(自身を含む): 490729824

約数和(自身を除く): 352121184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 160, 180, 188, 192, 235, 240, 256, 282, 288, 320, 360, 376, 384, 423, 470, 480, 512, 564, 576, 640, 705, 720, 752, 768, 846, 940, 960, 1024, 1128, 1152, 1280, 1410, 1440, 1504, 1536, 1692, 1880, 1920, 2048, 2115, 2256, 2304, 2560, 2820, 2880, 3008, 3072, 3384, 3760, 3840, 4096, 4230, 4512, 4608, 5120, 5640, 5760, 6016, 6144, 6768, 7520, 7680, 8192, 8460, 9024, 9216, 10240, 11280, 11520, 12032, 12288, 13536, 15040, 15360, 16384, 16920, 18048, 18432, 20480, 22560, 23040, 24064, 24576, 27072, 30080, 30720, 32768, 33840, 36096, 36864, 40960, 45120, 46080, 48128, 49152, 54144, 60160, 61440, 65536, 67680, 72192, 73728, 81920, 90240, 92160, 96256, 98304, 108288, 120320, 122880, 135360, 144384, 147456, 163840, 180480, 184320, 192512, 196608, 216576, 240640, 245760, 270720, 288768, 294912, 327680, 360960, 368640, 385024, 433152, 481280, 491520, 541440, 577536, 589824, 721920, 737280, 770048, 866304, 962560, 983040, 1082880, 1155072, 1443840, 1474560, 1540096, 1732608, 1925120, 2165760, 2310144, 2887680, 2949120, 3080192, 3465216, 3850240, 4331520, 4620288, 5775360, 6930432, 7700480, 8663040, 9240576, 11550720, 13860864, 15400960, 17326080, 23101440, 27721728, 34652160, 46202880, 69304320, 138608640]

約数ペア:

[(1, 138608640), (2, 69304320), (3, 46202880), (4, 34652160), (5, 27721728), (6, 23101440), (8, 17326080), (9, 15400960), (10, 13860864), (12, 11550720), (15, 9240576), (16, 8663040), (18, 7700480), (20, 6930432), (24, 5775360), (30, 4620288), (32, 4331520), (36, 3850240), (40, 3465216), (45, 3080192), (47, 2949120), (48, 2887680), (60, 2310144), (64, 2165760), (72, 1925120), (80, 1732608), (90, 1540096), (94, 1474560), (96, 1443840), (120, 1155072), (128, 1082880), (141, 983040), (144, 962560), (160, 866304), (180, 770048), (188, 737280), (192, 721920), (235, 589824), (240, 577536), (256, 541440), (282, 491520), (288, 481280), (320, 433152), (360, 385024), (376, 368640), (384, 360960), (423, 327680), (470, 294912), (480, 288768), (512, 270720), (564, 245760), (576, 240640), (640, 216576), (705, 196608), (720, 192512), (752, 184320), (768, 180480), (846, 163840), (940, 147456), (960, 144384), (1024, 135360), (1128, 122880), (1152, 120320), (1280, 108288), (1410, 98304), (1440, 96256), (1504, 92160), (1536, 90240), (1692, 81920), (1880, 73728), (1920, 72192), (2048, 67680), (2115, 65536), (2256, 61440), (2304, 60160), (2560, 54144), (2820, 49152), (2880, 48128), (3008, 46080), (3072, 45120), (3384, 40960), (3760, 36864), (3840, 36096), (4096, 33840), (4230, 32768), (4512, 30720), (4608, 30080), (5120, 27072), (5640, 24576), (5760, 24064), (6016, 23040), (6144, 22560), (6768, 20480), (7520, 18432), (7680, 18048), (8192, 16920), (8460, 16384), (9024, 15360), (9216, 15040), (10240, 13536), (11280, 12288), (11520, 12032)]