1638812160

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{71129}}^1$

素因数の和:71158

約数の個数: 120

約数和(自身を含む): 5675747220

約数和(自身を除く): 4036935060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 71129, 142258, 213387, 284516, 355645, 426774, 569032, 640161, 711290, 853548, 1066935, 1138064, 1280322, 1422580, 1707096, 2133870, 2276128, 2560644, 2845160, 3200805, 3414192, 4267740, 4552256, 5121288, 5690320, 6401610, 6828384, 8535480, 9104512, 10242576, 11380640, 12803220, 13656768, 17070960, 18209024, 20485152, 22761280, 25606440, 27313536, 34141920, 36418048, 40970304, 45522560, 51212880, 54627072, 68283840, 81940608, 91045120, 102425760, 109254144, 136567680, 163881216, 182090240, 204851520, 273135360, 327762432, 409703040, 546270720, 819406080, 1638812160]

約数ペア:

[(1, 1638812160), (2, 819406080), (3, 546270720), (4, 409703040), (5, 327762432), (6, 273135360), (8, 204851520), (9, 182090240), (10, 163881216), (12, 136567680), (15, 109254144), (16, 102425760), (18, 91045120), (20, 81940608), (24, 68283840), (30, 54627072), (32, 51212880), (36, 45522560), (40, 40970304), (45, 36418048), (48, 34141920), (60, 27313536), (64, 25606440), (72, 22761280), (80, 20485152), (90, 18209024), (96, 17070960), (120, 13656768), (128, 12803220), (144, 11380640), (160, 10242576), (180, 9104512), (192, 8535480), (240, 6828384), (256, 6401610), (288, 5690320), (320, 5121288), (360, 4552256), (384, 4267740), (480, 3414192), (512, 3200805), (576, 2845160), (640, 2560644), (720, 2276128), (768, 2133870), (960, 1707096), (1152, 1422580), (1280, 1280322), (1440, 1138064), (1536, 1066935), (1920, 853548), (2304, 711290), (2560, 640161), (2880, 569032), (3840, 426774), (4608, 355645), (5760, 284516), (7680, 213387), (11520, 142258), (23040, 71129)]