1640494080

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{11867}}^1$

素因数の和:11901

約数の個数: 176

約数和(自身を含む): 5830511040

約数和(自身を除く): 4190016960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11520, 11867, 13824, 15360, 17280, 23040, 23734, 27648, 34560, 35601, 46080, 47468, 59335, 69120, 71202, 94936, 106803, 118670, 138240, 142404, 178005, 189872, 213606, 237340, 284808, 320409, 356010, 379744, 427212, 474680, 534015, 569616, 640818, 712020, 759488, 854424, 949360, 1068030, 1139232, 1281636, 1424040, 1518976, 1602045, 1708848, 1898720, 2136060, 2278464, 2563272, 2848080, 3037952, 3204090, 3417696, 3797440, 4272120, 4556928, 5126544, 5696160, 6075904, 6408180, 6835392, 7594880, 8544240, 9113856, 10253088, 11392320, 12151808, 12816360, 13670784, 15189760, 17088480, 18227712, 20506176, 22784640, 25632720, 27341568, 30379520, 34176960, 36455424, 41012352, 45569280, 51265440, 54683136, 60759040, 68353920, 82024704, 91138560, 102530880, 109366272, 136707840, 164049408, 182277120, 205061760, 273415680, 328098816, 410123520, 546831360, 820247040, 1640494080]

約数ペア:

[(1, 1640494080), (2, 820247040), (3, 546831360), (4, 410123520), (5, 328098816), (6, 273415680), (8, 205061760), (9, 182277120), (10, 164049408), (12, 136707840), (15, 109366272), (16, 102530880), (18, 91138560), (20, 82024704), (24, 68353920), (27, 60759040), (30, 54683136), (32, 51265440), (36, 45569280), (40, 41012352), (45, 36455424), (48, 34176960), (54, 30379520), (60, 27341568), (64, 25632720), (72, 22784640), (80, 20506176), (90, 18227712), (96, 17088480), (108, 15189760), (120, 13670784), (128, 12816360), (135, 12151808), (144, 11392320), (160, 10253088), (180, 9113856), (192, 8544240), (216, 7594880), (240, 6835392), (256, 6408180), (270, 6075904), (288, 5696160), (320, 5126544), (360, 4556928), (384, 4272120), (432, 3797440), (480, 3417696), (512, 3204090), (540, 3037952), (576, 2848080), (640, 2563272), (720, 2278464), (768, 2136060), (864, 1898720), (960, 1708848), (1024, 1602045), (1080, 1518976), (1152, 1424040), (1280, 1281636), (1440, 1139232), (1536, 1068030), (1728, 949360), (1920, 854424), (2160, 759488), (2304, 712020), (2560, 640818), (2880, 569616), (3072, 534015), (3456, 474680), (3840, 427212), (4320, 379744), (4608, 356010), (5120, 320409), (5760, 284808), (6912, 237340), (7680, 213606), (8640, 189872), (9216, 178005), (11520, 142404), (11867, 138240), (13824, 118670), (15360, 106803), (17280, 94936), (23040, 71202), (23734, 69120), (27648, 59335), (34560, 47468), (35601, 46080)]