2440560640

素因数分解:

$2^{19}\times 5^1\times 7^2\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 7172253000

約数和(自身を除く): 4731692360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 256, 266, 280, 304, 320, 380, 392, 448, 490, 512, 532, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1568, 1792, 1862, 1960, 2048, 2128, 2240, 2432, 2560, 2660, 3040, 3136, 3584, 3724, 3920, 4096, 4256, 4480, 4655, 4864, 5120, 5320, 6080, 6272, 7168, 7448, 7840, 8192, 8512, 8960, 9310, 9728, 10240, 10640, 12160, 12544, 14336, 14896, 15680, 16384, 17024, 17920, 18620, 19456, 20480, 21280, 24320, 25088, 28672, 29792, 31360, 32768, 34048, 35840, 37240, 38912, 40960, 42560, 48640, 50176, 57344, 59584, 62720, 65536, 68096, 71680, 74480, 77824, 81920, 85120, 97280, 100352, 114688, 119168, 125440, 131072, 136192, 143360, 148960, 155648, 163840, 170240, 194560, 200704, 229376, 238336, 250880, 262144, 272384, 286720, 297920, 311296, 327680, 340480, 389120, 401408, 458752, 476672, 501760, 524288, 544768, 573440, 595840, 622592, 655360, 680960, 778240, 802816, 917504, 953344, 1003520, 1089536, 1146880, 1191680, 1245184, 1310720, 1361920, 1556480, 1605632, 1835008, 1906688, 2007040, 2179072, 2293760, 2383360, 2490368, 2621440, 2723840, 3112960, 3211264, 3670016, 3813376, 4014080, 4358144, 4587520, 4766720, 4980736, 5447680, 6225920, 6422528, 7626752, 8028160, 8716288, 9175040, 9533440, 9961472, 10895360, 12451840, 12845056, 15253504, 16056320, 17432576, 18350080, 19066880, 21790720, 24903680, 25690112, 30507008, 32112640, 34865152, 38133760, 43581440, 49807360, 61014016, 64225280, 69730304, 76267520, 87162880, 122028032, 128450560, 152535040, 174325760, 244056064, 305070080, 348651520, 488112128, 610140160, 1220280320, 2440560640]

約数ペア:

[(1, 2440560640), (2, 1220280320), (4, 610140160), (5, 488112128), (7, 348651520), (8, 305070080), (10, 244056064), (14, 174325760), (16, 152535040), (19, 128450560), (20, 122028032), (28, 87162880), (32, 76267520), (35, 69730304), (38, 64225280), (40, 61014016), (49, 49807360), (56, 43581440), (64, 38133760), (70, 34865152), (76, 32112640), (80, 30507008), (95, 25690112), (98, 24903680), (112, 21790720), (128, 19066880), (133, 18350080), (140, 17432576), (152, 16056320), (160, 15253504), (190, 12845056), (196, 12451840), (224, 10895360), (245, 9961472), (256, 9533440), (266, 9175040), (280, 8716288), (304, 8028160), (320, 7626752), (380, 6422528), (392, 6225920), (448, 5447680), (490, 4980736), (512, 4766720), (532, 4587520), (560, 4358144), (608, 4014080), (640, 3813376), (665, 3670016), (760, 3211264), (784, 3112960), (896, 2723840), (931, 2621440), (980, 2490368), (1024, 2383360), (1064, 2293760), (1120, 2179072), (1216, 2007040), (1280, 1906688), (1330, 1835008), (1520, 1605632), (1568, 1556480), (1792, 1361920), (1862, 1310720), (1960, 1245184), (2048, 1191680), (2128, 1146880), (2240, 1089536), (2432, 1003520), (2560, 953344), (2660, 917504), (3040, 802816), (3136, 778240), (3584, 680960), (3724, 655360), (3920, 622592), (4096, 595840), (4256, 573440), (4480, 544768), (4655, 524288), (4864, 501760), (5120, 476672), (5320, 458752), (6080, 401408), (6272, 389120), (7168, 340480), (7448, 327680), (7840, 311296), (8192, 297920), (8512, 286720), (8960, 272384), (9310, 262144), (9728, 250880), (10240, 238336), (10640, 229376), (12160, 200704), (12544, 194560), (14336, 170240), (14896, 163840), (15680, 155648), (16384, 148960), (17024, 143360), (17920, 136192), (18620, 131072), (19456, 125440), (20480, 119168), (21280, 114688), (24320, 100352), (25088, 97280), (28672, 85120), (29792, 81920), (31360, 77824), (32768, 74480), (34048, 71680), (35840, 68096), (37240, 65536), (38912, 62720), (40960, 59584), (42560, 57344), (48640, 50176)]