205638720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 224

約数和(自身を含む): 758439936

約数和(自身を除く): 552801216

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, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 420, 426, 431, 448, 480, 497, 560, 568, 672, 710, 840, 852, 862, 960, 994, 1065, 1120, 1136, 1293, 1344, 1420, 1491, 1680, 1704, 1724, 1988, 2130, 2155, 2240, 2272, 2485, 2586, 2840, 2982, 3017, 3360, 3408, 3448, 3976, 4260, 4310, 4544, 4970, 5172, 5680, 5964, 6034, 6465, 6720, 6816, 6896, 7455, 7952, 8520, 8620, 9051, 9940, 10344, 11360, 11928, 12068, 12930, 13632, 13792, 14910, 15085, 15904, 17040, 17240, 18102, 19880, 20688, 22720, 23856, 24136, 25860, 27584, 29820, 30170, 30601, 31808, 34080, 34480, 36204, 39760, 41376, 45255, 47712, 48272, 51720, 59640, 60340, 61202, 68160, 68960, 72408, 79520, 82752, 90510, 91803, 95424, 96544, 103440, 119280, 120680, 122404, 137920, 144816, 153005, 159040, 181020, 183606, 193088, 206880, 214207, 238560, 241360, 244808, 289632, 306010, 362040, 367212, 413760, 428414, 459015, 477120, 482720, 489616, 579264, 612020, 642621, 724080, 734424, 856828, 918030, 965440, 979232, 1071035, 1224040, 1285242, 1448160, 1468848, 1713656, 1836060, 1958464, 2142070, 2448080, 2570484, 2896320, 2937696, 3213105, 3427312, 3672120, 4284140, 4896160, 5140968, 5875392, 6426210, 6854624, 7344240, 8568280, 9792320, 10281936, 12852420, 13709248, 14688480, 17136560, 20563872, 25704840, 29376960, 34273120, 41127744, 51409680, 68546240, 102819360, 205638720]

約数ペア:

[(1, 205638720), (2, 102819360), (3, 68546240), (4, 51409680), (5, 41127744), (6, 34273120), (7, 29376960), (8, 25704840), (10, 20563872), (12, 17136560), (14, 14688480), (15, 13709248), (16, 12852420), (20, 10281936), (21, 9792320), (24, 8568280), (28, 7344240), (30, 6854624), (32, 6426210), (35, 5875392), (40, 5140968), (42, 4896160), (48, 4284140), (56, 3672120), (60, 3427312), (64, 3213105), (70, 2937696), (71, 2896320), (80, 2570484), (84, 2448080), (96, 2142070), (105, 1958464), (112, 1836060), (120, 1713656), (140, 1468848), (142, 1448160), (160, 1285242), (168, 1224040), (192, 1071035), (210, 979232), (213, 965440), (224, 918030), (240, 856828), (280, 734424), (284, 724080), (320, 642621), (336, 612020), (355, 579264), (420, 489616), (426, 482720), (431, 477120), (448, 459015), (480, 428414), (497, 413760), (560, 367212), (568, 362040), (672, 306010), (710, 289632), (840, 244808), (852, 241360), (862, 238560), (960, 214207), (994, 206880), (1065, 193088), (1120, 183606), (1136, 181020), (1293, 159040), (1344, 153005), (1420, 144816), (1491, 137920), (1680, 122404), (1704, 120680), (1724, 119280), (1988, 103440), (2130, 96544), (2155, 95424), (2240, 91803), (2272, 90510), (2485, 82752), (2586, 79520), (2840, 72408), (2982, 68960), (3017, 68160), (3360, 61202), (3408, 60340), (3448, 59640), (3976, 51720), (4260, 48272), (4310, 47712), (4544, 45255), (4970, 41376), (5172, 39760), (5680, 36204), (5964, 34480), (6034, 34080), (6465, 31808), (6720, 30601), (6816, 30170), (6896, 29820), (7455, 27584), (7952, 25860), (8520, 24136), (8620, 23856), (9051, 22720), (9940, 20688), (10344, 19880), (11360, 18102), (11928, 17240), (12068, 17040), (12930, 15904), (13632, 15085), (13792, 14910)]