1246494720

素因数分解:

$2^{18}\times 3^1\times 5^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 152

約数和(自身を含む): 4001358384

約数和(自身を除く): 2754863664

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, 65536, 76080, 81152, 81920, 98304, 101440, 121728, 122880, 131072, 152160, 162304, 163840, 196608, 202880, 243456, 245760, 262144, 304320, 324608, 327680, 393216, 405760, 486912, 491520, 608640, 649216, 655360, 786432, 811520, 973824, 983040, 1217280, 1298432, 1310720, 1623040, 1947648, 1966080, 2434560, 2596864, 3246080, 3895296, 3932160, 4869120, 5193728, 6492160, 7790592, 9738240, 10387456, 12984320, 15581184, 19476480, 20774912, 25968640, 31162368, 38952960, 41549824, 51937280, 62324736, 77905920, 83099648, 103874560, 124649472, 155811840, 207749120, 249298944, 311623680, 415498240, 623247360, 1246494720]

約数ペア:

[(1, 1246494720), (2, 623247360), (3, 415498240), (4, 311623680), (5, 249298944), (6, 207749120), (8, 155811840), (10, 124649472), (12, 103874560), (15, 83099648), (16, 77905920), (20, 62324736), (24, 51937280), (30, 41549824), (32, 38952960), (40, 31162368), (48, 25968640), (60, 20774912), (64, 19476480), (80, 15581184), (96, 12984320), (120, 10387456), (128, 9738240), (160, 7790592), (192, 6492160), (240, 5193728), (256, 4869120), (317, 3932160), (320, 3895296), (384, 3246080), (480, 2596864), (512, 2434560), (634, 1966080), (640, 1947648), (768, 1623040), (951, 1310720), (960, 1298432), (1024, 1217280), (1268, 983040), (1280, 973824), (1536, 811520), (1585, 786432), (1902, 655360), (1920, 649216), (2048, 608640), (2536, 491520), (2560, 486912), (3072, 405760), (3170, 393216), (3804, 327680), (3840, 324608), (4096, 304320), (4755, 262144), (5072, 245760), (5120, 243456), (6144, 202880), (6340, 196608), (7608, 163840), (7680, 162304), (8192, 152160), (9510, 131072), (10144, 122880), (10240, 121728), (12288, 101440), (12680, 98304), (15216, 81920), (15360, 81152), (16384, 76080), (19020, 65536), (20288, 61440), (20480, 60864), (24576, 50720), (25360, 49152), (30432, 40960), (30720, 40576), (32768, 38040)]