388590720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 256

約数和(自身を含む): 1465862400

約数和(自身を除く): 1077271680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 560, 580, 609, 640, 672, 696, 812, 840, 870, 896, 928, 960, 997, 1015, 1120, 1160, 1218, 1344, 1392, 1624, 1680, 1740, 1856, 1920, 1994, 2030, 2240, 2320, 2436, 2688, 2784, 2991, 3045, 3248, 3360, 3480, 3712, 3988, 4060, 4480, 4640, 4872, 4985, 5568, 5982, 6090, 6496, 6720, 6960, 6979, 7976, 8120, 9280, 9744, 9970, 11136, 11964, 12180, 12992, 13440, 13920, 13958, 14955, 15952, 16240, 18560, 19488, 19940, 20937, 23928, 24360, 25984, 27840, 27916, 28913, 29910, 31904, 32480, 34895, 38976, 39880, 41874, 47856, 48720, 55680, 55832, 57826, 59820, 63808, 64960, 69790, 77952, 79760, 83748, 86739, 95712, 97440, 104685, 111664, 115652, 119640, 127616, 129920, 139580, 144565, 159520, 167496, 173478, 191424, 194880, 202391, 209370, 223328, 231304, 239280, 279160, 289130, 319040, 334992, 346956, 382848, 389760, 404782, 418740, 433695, 446656, 462608, 478560, 558320, 578260, 607173, 638080, 669984, 693912, 809564, 837480, 867390, 893312, 925216, 957120, 1011955, 1116640, 1156520, 1214346, 1339968, 1387824, 1619128, 1674960, 1734780, 1850432, 1914240, 2023910, 2233280, 2313040, 2428692, 2679936, 2775648, 3035865, 3238256, 3349920, 3469560, 3700864, 4047820, 4466560, 4626080, 4857384, 5551296, 6071730, 6476512, 6699840, 6939120, 8095640, 9252160, 9714768, 11102592, 12143460, 12953024, 13399680, 13878240, 16191280, 18504320, 19429536, 24286920, 25906048, 27756480, 32382560, 38859072, 48573840, 55512960, 64765120, 77718144, 97147680, 129530240, 194295360, 388590720]

約数ペア:

[(1, 388590720), (2, 194295360), (3, 129530240), (4, 97147680), (5, 77718144), (6, 64765120), (7, 55512960), (8, 48573840), (10, 38859072), (12, 32382560), (14, 27756480), (15, 25906048), (16, 24286920), (20, 19429536), (21, 18504320), (24, 16191280), (28, 13878240), (29, 13399680), (30, 12953024), (32, 12143460), (35, 11102592), (40, 9714768), (42, 9252160), (48, 8095640), (56, 6939120), (58, 6699840), (60, 6476512), (64, 6071730), (70, 5551296), (80, 4857384), (84, 4626080), (87, 4466560), (96, 4047820), (105, 3700864), (112, 3469560), (116, 3349920), (120, 3238256), (128, 3035865), (140, 2775648), (145, 2679936), (160, 2428692), (168, 2313040), (174, 2233280), (192, 2023910), (203, 1914240), (210, 1850432), (224, 1734780), (232, 1674960), (240, 1619128), (280, 1387824), (290, 1339968), (320, 1214346), (336, 1156520), (348, 1116640), (384, 1011955), (406, 957120), (420, 925216), (435, 893312), (448, 867390), (464, 837480), (480, 809564), (560, 693912), (580, 669984), (609, 638080), (640, 607173), (672, 578260), (696, 558320), (812, 478560), (840, 462608), (870, 446656), (896, 433695), (928, 418740), (960, 404782), (997, 389760), (1015, 382848), (1120, 346956), (1160, 334992), (1218, 319040), (1344, 289130), (1392, 279160), (1624, 239280), (1680, 231304), (1740, 223328), (1856, 209370), (1920, 202391), (1994, 194880), (2030, 191424), (2240, 173478), (2320, 167496), (2436, 159520), (2688, 144565), (2784, 139580), (2991, 129920), (3045, 127616), (3248, 119640), (3360, 115652), (3480, 111664), (3712, 104685), (3988, 97440), (4060, 95712), (4480, 86739), (4640, 83748), (4872, 79760), (4985, 77952), (5568, 69790), (5982, 64960), (6090, 63808), (6496, 59820), (6720, 57826), (6960, 55832), (6979, 55680), (7976, 48720), (8120, 47856), (9280, 41874), (9744, 39880), (9970, 38976), (11136, 34895), (11964, 32480), (12180, 31904), (12992, 29910), (13440, 28913), (13920, 27916), (13958, 27840), (14955, 25984), (15952, 24360), (16240, 23928), (18560, 20937), (19488, 19940)]