331287040

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 240

約数和(自身を含む): 979624800

約数和(自身を除く): 648337760

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, 139, 140, 152, 160, 190, 196, 224, 245, 256, 266, 278, 280, 304, 320, 380, 392, 448, 490, 512, 532, 556, 560, 608, 640, 665, 695, 760, 784, 896, 931, 973, 980, 1064, 1112, 1120, 1216, 1280, 1330, 1390, 1520, 1568, 1792, 1862, 1946, 1960, 2128, 2224, 2240, 2432, 2560, 2641, 2660, 2780, 3040, 3136, 3584, 3724, 3892, 3920, 4256, 4448, 4480, 4655, 4864, 4865, 5282, 5320, 5560, 6080, 6272, 6811, 7448, 7784, 7840, 8512, 8896, 8960, 9310, 9728, 9730, 10564, 10640, 11120, 12160, 12544, 13205, 13622, 14896, 15568, 15680, 17024, 17792, 17920, 18487, 18620, 19460, 21128, 21280, 22240, 24320, 25088, 26410, 27244, 29792, 31136, 31360, 34048, 34055, 35584, 36974, 37240, 38920, 42256, 42560, 44480, 48640, 52820, 54488, 59584, 62272, 62720, 68096, 68110, 71168, 73948, 74480, 77840, 84512, 85120, 88960, 92435, 105640, 108976, 119168, 124544, 125440, 129409, 136220, 147896, 148960, 155680, 169024, 170240, 177920, 184870, 211280, 217952, 238336, 249088, 258818, 272440, 295792, 297920, 311360, 338048, 340480, 355840, 369740, 422560, 435904, 476672, 498176, 517636, 544880, 591584, 595840, 622720, 647045, 676096, 739480, 845120, 871808, 1035272, 1089760, 1183168, 1191680, 1245440, 1294090, 1352192, 1478960, 1690240, 1743616, 2070544, 2179520, 2366336, 2383360, 2490880, 2588180, 2957920, 3380480, 3487232, 4141088, 4359040, 4732672, 5176360, 5915840, 6760960, 8282176, 8718080, 9465344, 10352720, 11831680, 16564352, 17436160, 20705440, 23663360, 33128704, 41410880, 47326720, 66257408, 82821760, 165643520, 331287040]

約数ペア:

[(1, 331287040), (2, 165643520), (4, 82821760), (5, 66257408), (7, 47326720), (8, 41410880), (10, 33128704), (14, 23663360), (16, 20705440), (19, 17436160), (20, 16564352), (28, 11831680), (32, 10352720), (35, 9465344), (38, 8718080), (40, 8282176), (49, 6760960), (56, 5915840), (64, 5176360), (70, 4732672), (76, 4359040), (80, 4141088), (95, 3487232), (98, 3380480), (112, 2957920), (128, 2588180), (133, 2490880), (139, 2383360), (140, 2366336), (152, 2179520), (160, 2070544), (190, 1743616), (196, 1690240), (224, 1478960), (245, 1352192), (256, 1294090), (266, 1245440), (278, 1191680), (280, 1183168), (304, 1089760), (320, 1035272), (380, 871808), (392, 845120), (448, 739480), (490, 676096), (512, 647045), (532, 622720), (556, 595840), (560, 591584), (608, 544880), (640, 517636), (665, 498176), (695, 476672), (760, 435904), (784, 422560), (896, 369740), (931, 355840), (973, 340480), (980, 338048), (1064, 311360), (1112, 297920), (1120, 295792), (1216, 272440), (1280, 258818), (1330, 249088), (1390, 238336), (1520, 217952), (1568, 211280), (1792, 184870), (1862, 177920), (1946, 170240), (1960, 169024), (2128, 155680), (2224, 148960), (2240, 147896), (2432, 136220), (2560, 129409), (2641, 125440), (2660, 124544), (2780, 119168), (3040, 108976), (3136, 105640), (3584, 92435), (3724, 88960), (3892, 85120), (3920, 84512), (4256, 77840), (4448, 74480), (4480, 73948), (4655, 71168), (4864, 68110), (4865, 68096), (5282, 62720), (5320, 62272), (5560, 59584), (6080, 54488), (6272, 52820), (6811, 48640), (7448, 44480), (7784, 42560), (7840, 42256), (8512, 38920), (8896, 37240), (8960, 36974), (9310, 35584), (9728, 34055), (9730, 34048), (10564, 31360), (10640, 31136), (11120, 29792), (12160, 27244), (12544, 26410), (13205, 25088), (13622, 24320), (14896, 22240), (15568, 21280), (15680, 21128), (17024, 19460), (17792, 18620), (17920, 18487)]