998768640

素因数分解:

$2^{19}\times 3^1\times 5^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 3221222400

約数和(自身を除く): 2222453760

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, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1024, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2048, 2540, 2560, 3048, 3072, 3810, 3840, 4064, 4096, 5080, 5120, 6096, 6144, 7620, 7680, 8128, 8192, 10160, 10240, 12192, 12288, 15240, 15360, 16256, 16384, 20320, 20480, 24384, 24576, 30480, 30720, 32512, 32768, 40640, 40960, 48768, 49152, 60960, 61440, 65024, 65536, 81280, 81920, 97536, 98304, 121920, 122880, 130048, 131072, 162560, 163840, 195072, 196608, 243840, 245760, 260096, 262144, 325120, 327680, 390144, 393216, 487680, 491520, 520192, 524288, 650240, 655360, 780288, 786432, 975360, 983040, 1040384, 1300480, 1310720, 1560576, 1572864, 1950720, 1966080, 2080768, 2600960, 2621440, 3121152, 3901440, 3932160, 4161536, 5201920, 6242304, 7802880, 7864320, 8323072, 10403840, 12484608, 15605760, 16646144, 20807680, 24969216, 31211520, 33292288, 41615360, 49938432, 62423040, 66584576, 83230720, 99876864, 124846080, 166461440, 199753728, 249692160, 332922880, 499384320, 998768640]

約数ペア:

[(1, 998768640), (2, 499384320), (3, 332922880), (4, 249692160), (5, 199753728), (6, 166461440), (8, 124846080), (10, 99876864), (12, 83230720), (15, 66584576), (16, 62423040), (20, 49938432), (24, 41615360), (30, 33292288), (32, 31211520), (40, 24969216), (48, 20807680), (60, 16646144), (64, 15605760), (80, 12484608), (96, 10403840), (120, 8323072), (127, 7864320), (128, 7802880), (160, 6242304), (192, 5201920), (240, 4161536), (254, 3932160), (256, 3901440), (320, 3121152), (381, 2621440), (384, 2600960), (480, 2080768), (508, 1966080), (512, 1950720), (635, 1572864), (640, 1560576), (762, 1310720), (768, 1300480), (960, 1040384), (1016, 983040), (1024, 975360), (1270, 786432), (1280, 780288), (1524, 655360), (1536, 650240), (1905, 524288), (1920, 520192), (2032, 491520), (2048, 487680), (2540, 393216), (2560, 390144), (3048, 327680), (3072, 325120), (3810, 262144), (3840, 260096), (4064, 245760), (4096, 243840), (5080, 196608), (5120, 195072), (6096, 163840), (6144, 162560), (7620, 131072), (7680, 130048), (8128, 122880), (8192, 121920), (10160, 98304), (10240, 97536), (12192, 81920), (12288, 81280), (15240, 65536), (15360, 65024), (16256, 61440), (16384, 60960), (20320, 49152), (20480, 48768), (24384, 40960), (24576, 40640), (30480, 32768), (30720, 32512)]