20260974720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{215359}}^1$

素因数の和:215395

約数の個数: 192

約数和(自身を含む): 75126182400

約数和(自身を除く): 54865207680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 23520, 31360, 47040, 94080, 215359, 430718, 646077, 861436, 1076795, 1292154, 1507513, 1722872, 2153590, 2584308, 3015026, 3230385, 3445744, 4307180, 4522539, 5168616, 6030052, 6460770, 6891488, 7537565, 8614360, 9045078, 10337232, 10552591, 12060104, 12921540, 13782976, 15075130, 17228720, 18090156, 20674464, 21105182, 22612695, 24120208, 25843080, 27565952, 30150260, 31657773, 34457440, 36180312, 41348928, 42210364, 45225390, 48240416, 51686160, 52762955, 60300520, 63315546, 68914880, 72360624, 82697856, 84420728, 90450780, 96480832, 103372320, 105525910, 120601040, 126631092, 137829760, 144721248, 158288865, 168841456, 180901560, 192961664, 206744640, 211051820, 241202080, 253262184, 289442496, 316577730, 337682912, 361803120, 413489280, 422103640, 482404160, 506524368, 578884992, 633155460, 675365824, 723606240, 844207280, 964808320, 1013048736, 1266310920, 1350731648, 1447212480, 1688414560, 2026097472, 2532621840, 2894424960, 3376829120, 4052194944, 5065243680, 6753658240, 10130487360, 20260974720]

約数ペア:

[(1, 20260974720), (2, 10130487360), (3, 6753658240), (4, 5065243680), (5, 4052194944), (6, 3376829120), (7, 2894424960), (8, 2532621840), (10, 2026097472), (12, 1688414560), (14, 1447212480), (15, 1350731648), (16, 1266310920), (20, 1013048736), (21, 964808320), (24, 844207280), (28, 723606240), (30, 675365824), (32, 633155460), (35, 578884992), (40, 506524368), (42, 482404160), (48, 422103640), (49, 413489280), (56, 361803120), (60, 337682912), (64, 316577730), (70, 289442496), (80, 253262184), (84, 241202080), (96, 211051820), (98, 206744640), (105, 192961664), (112, 180901560), (120, 168841456), (128, 158288865), (140, 144721248), (147, 137829760), (160, 126631092), (168, 120601040), (192, 105525910), (196, 103372320), (210, 96480832), (224, 90450780), (240, 84420728), (245, 82697856), (280, 72360624), (294, 68914880), (320, 63315546), (336, 60300520), (384, 52762955), (392, 51686160), (420, 48240416), (448, 45225390), (480, 42210364), (490, 41348928), (560, 36180312), (588, 34457440), (640, 31657773), (672, 30150260), (735, 27565952), (784, 25843080), (840, 24120208), (896, 22612695), (960, 21105182), (980, 20674464), (1120, 18090156), (1176, 17228720), (1344, 15075130), (1470, 13782976), (1568, 12921540), (1680, 12060104), (1920, 10552591), (1960, 10337232), (2240, 9045078), (2352, 8614360), (2688, 7537565), (2940, 6891488), (3136, 6460770), (3360, 6030052), (3920, 5168616), (4480, 4522539), (4704, 4307180), (5880, 3445744), (6272, 3230385), (6720, 3015026), (7840, 2584308), (9408, 2153590), (11760, 1722872), (13440, 1507513), (15680, 1292154), (18816, 1076795), (23520, 861436), (31360, 646077), (47040, 430718), (94080, 215359)]