2020202880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 256

約数和(自身を含む): 6702428160

約数和(自身を除く): 4682225280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 61, 64, 80, 94, 96, 120, 122, 128, 141, 160, 183, 188, 192, 235, 240, 244, 282, 305, 320, 366, 367, 376, 384, 470, 480, 488, 564, 610, 640, 705, 732, 734, 752, 915, 940, 960, 976, 1101, 1128, 1220, 1410, 1464, 1468, 1504, 1830, 1835, 1880, 1920, 1952, 2202, 2256, 2440, 2820, 2867, 2928, 2936, 3008, 3660, 3670, 3760, 3904, 4404, 4512, 4880, 5505, 5640, 5734, 5856, 5872, 6016, 7320, 7340, 7520, 7808, 8601, 8808, 9024, 9760, 11010, 11280, 11468, 11712, 11744, 14335, 14640, 14680, 15040, 17202, 17249, 17616, 18048, 19520, 22020, 22387, 22560, 22936, 23424, 23488, 28670, 29280, 29360, 30080, 34404, 34498, 35232, 39040, 43005, 44040, 44774, 45120, 45872, 46976, 51747, 57340, 58560, 58720, 67161, 68808, 68996, 70464, 86010, 86245, 88080, 89548, 90240, 91744, 103494, 111935, 114680, 117120, 117440, 134322, 137616, 137992, 140928, 172020, 172490, 176160, 179096, 183488, 206988, 223870, 229360, 234880, 258735, 268644, 275232, 275984, 335805, 344040, 344980, 352320, 358192, 366976, 413976, 447740, 458720, 517470, 537288, 550464, 551968, 671610, 688080, 689960, 704640, 716384, 827952, 895480, 917440, 1034940, 1052189, 1074576, 1100928, 1103936, 1343220, 1376160, 1379920, 1432768, 1655904, 1790960, 1834880, 2069880, 2104378, 2149152, 2207872, 2686440, 2752320, 2759840, 2865536, 3156567, 3311808, 3581920, 4139760, 4208756, 4298304, 5260945, 5372880, 5504640, 5519680, 6313134, 6623616, 7163840, 8279520, 8417512, 8596608, 10521890, 10745760, 11039360, 12626268, 14327680, 15782835, 16559040, 16835024, 21043780, 21491520, 25252536, 31565670, 33118080, 33670048, 42087560, 42983040, 50505072, 63131340, 67340096, 84175120, 101010144, 126262680, 134680192, 168350240, 202020288, 252525360, 336700480, 404040576, 505050720, 673400960, 1010101440, 2020202880]

約数ペア:

[(1, 2020202880), (2, 1010101440), (3, 673400960), (4, 505050720), (5, 404040576), (6, 336700480), (8, 252525360), (10, 202020288), (12, 168350240), (15, 134680192), (16, 126262680), (20, 101010144), (24, 84175120), (30, 67340096), (32, 63131340), (40, 50505072), (47, 42983040), (48, 42087560), (60, 33670048), (61, 33118080), (64, 31565670), (80, 25252536), (94, 21491520), (96, 21043780), (120, 16835024), (122, 16559040), (128, 15782835), (141, 14327680), (160, 12626268), (183, 11039360), (188, 10745760), (192, 10521890), (235, 8596608), (240, 8417512), (244, 8279520), (282, 7163840), (305, 6623616), (320, 6313134), (366, 5519680), (367, 5504640), (376, 5372880), (384, 5260945), (470, 4298304), (480, 4208756), (488, 4139760), (564, 3581920), (610, 3311808), (640, 3156567), (705, 2865536), (732, 2759840), (734, 2752320), (752, 2686440), (915, 2207872), (940, 2149152), (960, 2104378), (976, 2069880), (1101, 1834880), (1128, 1790960), (1220, 1655904), (1410, 1432768), (1464, 1379920), (1468, 1376160), (1504, 1343220), (1830, 1103936), (1835, 1100928), (1880, 1074576), (1920, 1052189), (1952, 1034940), (2202, 917440), (2256, 895480), (2440, 827952), (2820, 716384), (2867, 704640), (2928, 689960), (2936, 688080), (3008, 671610), (3660, 551968), (3670, 550464), (3760, 537288), (3904, 517470), (4404, 458720), (4512, 447740), (4880, 413976), (5505, 366976), (5640, 358192), (5734, 352320), (5856, 344980), (5872, 344040), (6016, 335805), (7320, 275984), (7340, 275232), (7520, 268644), (7808, 258735), (8601, 234880), (8808, 229360), (9024, 223870), (9760, 206988), (11010, 183488), (11280, 179096), (11468, 176160), (11712, 172490), (11744, 172020), (14335, 140928), (14640, 137992), (14680, 137616), (15040, 134322), (17202, 117440), (17249, 117120), (17616, 114680), (18048, 111935), (19520, 103494), (22020, 91744), (22387, 90240), (22560, 89548), (22936, 88080), (23424, 86245), (23488, 86010), (28670, 70464), (29280, 68996), (29360, 68808), (30080, 67161), (34404, 58720), (34498, 58560), (35232, 57340), (39040, 51747), (43005, 46976), (44040, 45872), (44774, 45120)]