204637440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 781756416

約数和(自身を除く): 577118976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 256, 276, 280, 320, 322, 331, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 662, 672, 690, 736, 768, 805, 840, 896, 920, 960, 966, 993, 1104, 1120, 1280, 1288, 1324, 1344, 1380, 1472, 1610, 1655, 1680, 1792, 1840, 1920, 1932, 1986, 2208, 2240, 2317, 2415, 2576, 2648, 2688, 2760, 2944, 3220, 3310, 3360, 3680, 3840, 3864, 3972, 4416, 4480, 4634, 4830, 4965, 5152, 5296, 5376, 5520, 5888, 6440, 6620, 6720, 6951, 7360, 7613, 7728, 7944, 8832, 8960, 9268, 9660, 9930, 10304, 10592, 11040, 11585, 12880, 13240, 13440, 13902, 14720, 15226, 15456, 15888, 17664, 18536, 19320, 19860, 20608, 21184, 22080, 22839, 23170, 25760, 26480, 26880, 27804, 29440, 30452, 30912, 31776, 34755, 37072, 38065, 38640, 39720, 41216, 42368, 44160, 45678, 46340, 51520, 52960, 53291, 55608, 60904, 61824, 63552, 69510, 74144, 76130, 77280, 79440, 84736, 88320, 91356, 92680, 103040, 105920, 106582, 111216, 114195, 121808, 123648, 127104, 139020, 148288, 152260, 154560, 158880, 159873, 182712, 185360, 206080, 211840, 213164, 222432, 228390, 243616, 254208, 266455, 278040, 296576, 304520, 309120, 317760, 319746, 365424, 370720, 423680, 426328, 444864, 456780, 487232, 532910, 556080, 593152, 609040, 618240, 635520, 639492, 730848, 741440, 799365, 852656, 889728, 913560, 974464, 1065820, 1112160, 1218080, 1271040, 1278984, 1461696, 1482880, 1598730, 1705312, 1779456, 1827120, 1948928, 2131640, 2224320, 2436160, 2557968, 2923392, 2965760, 3197460, 3410624, 3654240, 4263280, 4448640, 4872320, 5115936, 5846784, 6394920, 6821248, 7308480, 8526560, 8897280, 9744640, 10231872, 12789840, 13642496, 14616960, 17053120, 20463744, 25579680, 29233920, 34106240, 40927488, 51159360, 68212480, 102318720, 204637440]

約数ペア:

[(1, 204637440), (2, 102318720), (3, 68212480), (4, 51159360), (5, 40927488), (6, 34106240), (7, 29233920), (8, 25579680), (10, 20463744), (12, 17053120), (14, 14616960), (15, 13642496), (16, 12789840), (20, 10231872), (21, 9744640), (23, 8897280), (24, 8526560), (28, 7308480), (30, 6821248), (32, 6394920), (35, 5846784), (40, 5115936), (42, 4872320), (46, 4448640), (48, 4263280), (56, 3654240), (60, 3410624), (64, 3197460), (69, 2965760), (70, 2923392), (80, 2557968), (84, 2436160), (92, 2224320), (96, 2131640), (105, 1948928), (112, 1827120), (115, 1779456), (120, 1705312), (128, 1598730), (138, 1482880), (140, 1461696), (160, 1278984), (161, 1271040), (168, 1218080), (184, 1112160), (192, 1065820), (210, 974464), (224, 913560), (230, 889728), (240, 852656), (256, 799365), (276, 741440), (280, 730848), (320, 639492), (322, 635520), (331, 618240), (336, 609040), (345, 593152), (368, 556080), (384, 532910), (420, 487232), (448, 456780), (460, 444864), (480, 426328), (483, 423680), (552, 370720), (560, 365424), (640, 319746), (644, 317760), (662, 309120), (672, 304520), (690, 296576), (736, 278040), (768, 266455), (805, 254208), (840, 243616), (896, 228390), (920, 222432), (960, 213164), (966, 211840), (993, 206080), (1104, 185360), (1120, 182712), (1280, 159873), (1288, 158880), (1324, 154560), (1344, 152260), (1380, 148288), (1472, 139020), (1610, 127104), (1655, 123648), (1680, 121808), (1792, 114195), (1840, 111216), (1920, 106582), (1932, 105920), (1986, 103040), (2208, 92680), (2240, 91356), (2317, 88320), (2415, 84736), (2576, 79440), (2648, 77280), (2688, 76130), (2760, 74144), (2944, 69510), (3220, 63552), (3310, 61824), (3360, 60904), (3680, 55608), (3840, 53291), (3864, 52960), (3972, 51520), (4416, 46340), (4480, 45678), (4634, 44160), (4830, 42368), (4965, 41216), (5152, 39720), (5296, 38640), (5376, 38065), (5520, 37072), (5888, 34755), (6440, 31776), (6620, 30912), (6720, 30452), (6951, 29440), (7360, 27804), (7613, 26880), (7728, 26480), (7944, 25760), (8832, 23170), (8960, 22839), (9268, 22080), (9660, 21184), (9930, 20608), (10304, 19860), (10592, 19320), (11040, 18536), (11585, 17664), (12880, 15888), (13240, 15456), (13440, 15226), (13902, 14720)]