155811840

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{317}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 500163120

約数和(自身を除く): 344351280

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, 256, 317, 320, 384, 480, 512, 634, 640, 768, 951, 960, 1024, 1268, 1280, 1536, 1585, 1902, 1920, 2048, 2536, 2560, 3072, 3170, 3804, 3840, 4096, 4755, 5072, 5120, 6144, 6340, 7608, 7680, 8192, 9510, 10144, 10240, 12288, 12680, 15216, 15360, 16384, 19020, 20288, 20480, 24576, 25360, 30432, 30720, 32768, 38040, 40576, 40960, 49152, 50720, 60864, 61440, 76080, 81152, 81920, 98304, 101440, 121728, 122880, 152160, 162304, 163840, 202880, 243456, 245760, 304320, 324608, 405760, 486912, 491520, 608640, 649216, 811520, 973824, 1217280, 1298432, 1623040, 1947648, 2434560, 2596864, 3246080, 3895296, 4869120, 5193728, 6492160, 7790592, 9738240, 10387456, 12984320, 15581184, 19476480, 25968640, 31162368, 38952960, 51937280, 77905920, 155811840]

約数ペア:

[(1, 155811840), (2, 77905920), (3, 51937280), (4, 38952960), (5, 31162368), (6, 25968640), (8, 19476480), (10, 15581184), (12, 12984320), (15, 10387456), (16, 9738240), (20, 7790592), (24, 6492160), (30, 5193728), (32, 4869120), (40, 3895296), (48, 3246080), (60, 2596864), (64, 2434560), (80, 1947648), (96, 1623040), (120, 1298432), (128, 1217280), (160, 973824), (192, 811520), (240, 649216), (256, 608640), (317, 491520), (320, 486912), (384, 405760), (480, 324608), (512, 304320), (634, 245760), (640, 243456), (768, 202880), (951, 163840), (960, 162304), (1024, 152160), (1268, 122880), (1280, 121728), (1536, 101440), (1585, 98304), (1902, 81920), (1920, 81152), (2048, 76080), (2536, 61440), (2560, 60864), (3072, 50720), (3170, 49152), (3804, 40960), (3840, 40576), (4096, 38040), (4755, 32768), (5072, 30720), (5120, 30432), (6144, 25360), (6340, 24576), (7608, 20480), (7680, 20288), (8192, 19020), (9510, 16384), (10144, 15360), (10240, 15216), (12288, 12680)]