642251520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:507

約数の個数: 216

約数和(自身を含む): 2241295056

約数和(自身を除く): 1599043536

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, 197, 240, 256, 283, 288, 320, 360, 384, 394, 480, 566, 576, 591, 640, 720, 768, 788, 849, 960, 985, 1132, 1152, 1182, 1280, 1415, 1440, 1576, 1698, 1773, 1920, 1970, 2264, 2304, 2364, 2547, 2830, 2880, 2955, 3152, 3396, 3546, 3840, 3940, 4245, 4528, 4728, 5094, 5660, 5760, 5910, 6304, 6792, 7092, 7880, 8490, 8865, 9056, 9456, 10188, 11320, 11520, 11820, 12608, 12735, 13584, 14184, 15760, 16980, 17730, 18112, 18912, 20376, 22640, 23640, 25216, 25470, 27168, 28368, 31520, 33960, 35460, 36224, 37824, 40752, 45280, 47280, 50432, 50940, 54336, 55751, 56736, 63040, 67920, 70920, 72448, 75648, 81504, 90560, 94560, 101880, 108672, 111502, 113472, 126080, 135840, 141840, 151296, 163008, 167253, 181120, 189120, 203760, 217344, 223004, 226944, 252160, 271680, 278755, 283680, 326016, 334506, 362240, 378240, 407520, 446008, 453888, 501759, 543360, 557510, 567360, 652032, 669012, 756480, 815040, 836265, 892016, 1003518, 1086720, 1115020, 1134720, 1338024, 1630080, 1672530, 1784032, 2007036, 2230040, 2269440, 2508795, 2676048, 3260160, 3345060, 3568064, 4014072, 4460080, 5017590, 5352096, 6690120, 7136128, 8028144, 8920160, 10035180, 10704192, 13380240, 14272256, 16056288, 17840320, 20070360, 21408384, 26760480, 32112576, 35680640, 40140720, 42816768, 53520960, 64225152, 71361280, 80281440, 107041920, 128450304, 160562880, 214083840, 321125760, 642251520]

約数ペア:

[(1, 642251520), (2, 321125760), (3, 214083840), (4, 160562880), (5, 128450304), (6, 107041920), (8, 80281440), (9, 71361280), (10, 64225152), (12, 53520960), (15, 42816768), (16, 40140720), (18, 35680640), (20, 32112576), (24, 26760480), (30, 21408384), (32, 20070360), (36, 17840320), (40, 16056288), (45, 14272256), (48, 13380240), (60, 10704192), (64, 10035180), (72, 8920160), (80, 8028144), (90, 7136128), (96, 6690120), (120, 5352096), (128, 5017590), (144, 4460080), (160, 4014072), (180, 3568064), (192, 3345060), (197, 3260160), (240, 2676048), (256, 2508795), (283, 2269440), (288, 2230040), (320, 2007036), (360, 1784032), (384, 1672530), (394, 1630080), (480, 1338024), (566, 1134720), (576, 1115020), (591, 1086720), (640, 1003518), (720, 892016), (768, 836265), (788, 815040), (849, 756480), (960, 669012), (985, 652032), (1132, 567360), (1152, 557510), (1182, 543360), (1280, 501759), (1415, 453888), (1440, 446008), (1576, 407520), (1698, 378240), (1773, 362240), (1920, 334506), (1970, 326016), (2264, 283680), (2304, 278755), (2364, 271680), (2547, 252160), (2830, 226944), (2880, 223004), (2955, 217344), (3152, 203760), (3396, 189120), (3546, 181120), (3840, 167253), (3940, 163008), (4245, 151296), (4528, 141840), (4728, 135840), (5094, 126080), (5660, 113472), (5760, 111502), (5910, 108672), (6304, 101880), (6792, 94560), (7092, 90560), (7880, 81504), (8490, 75648), (8865, 72448), (9056, 70920), (9456, 67920), (10188, 63040), (11320, 56736), (11520, 55751), (11820, 54336), (12608, 50940), (12735, 50432), (13584, 47280), (14184, 45280), (15760, 40752), (16980, 37824), (17730, 36224), (18112, 35460), (18912, 33960), (20376, 31520), (22640, 28368), (23640, 27168), (25216, 25470)]