256413600

素因数分解:

$2^5\times 3^5\times 5^2\times {\mathrm{1319}}^1$

素因数の和:1354

約数の個数: 216

約数和(自身を含む): 938377440

約数和(自身を除く): 681963840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 243, 270, 288, 300, 324, 360, 400, 405, 432, 450, 480, 486, 540, 600, 648, 675, 720, 800, 810, 864, 900, 972, 1080, 1200, 1215, 1296, 1319, 1350, 1440, 1620, 1800, 1944, 2025, 2160, 2400, 2430, 2592, 2638, 2700, 3240, 3600, 3888, 3957, 4050, 4320, 4860, 5276, 5400, 6075, 6480, 6595, 7200, 7776, 7914, 8100, 9720, 10552, 10800, 11871, 12150, 12960, 13190, 15828, 16200, 19440, 19785, 21104, 21600, 23742, 24300, 26380, 31656, 32400, 32975, 35613, 38880, 39570, 42208, 47484, 48600, 52760, 59355, 63312, 64800, 65950, 71226, 79140, 94968, 97200, 98925, 105520, 106839, 118710, 126624, 131900, 142452, 158280, 178065, 189936, 194400, 197850, 211040, 213678, 237420, 263800, 284904, 296775, 316560, 320517, 356130, 379872, 395700, 427356, 474840, 527600, 534195, 569808, 593550, 633120, 641034, 712260, 791400, 854712, 890325, 949680, 1055200, 1068390, 1139616, 1187100, 1282068, 1424520, 1582800, 1602585, 1709424, 1780650, 1899360, 2136780, 2374200, 2564136, 2670975, 2849040, 3165600, 3205170, 3418848, 3561300, 4273560, 4748400, 5128272, 5341950, 5698080, 6410340, 7122600, 8012925, 8547120, 9496800, 10256544, 10683900, 12820680, 14245200, 16025850, 17094240, 21367800, 25641360, 28490400, 32051700, 42735600, 51282720, 64103400, 85471200, 128206800, 256413600]

約数ペア:

[(1, 256413600), (2, 128206800), (3, 85471200), (4, 64103400), (5, 51282720), (6, 42735600), (8, 32051700), (9, 28490400), (10, 25641360), (12, 21367800), (15, 17094240), (16, 16025850), (18, 14245200), (20, 12820680), (24, 10683900), (25, 10256544), (27, 9496800), (30, 8547120), (32, 8012925), (36, 7122600), (40, 6410340), (45, 5698080), (48, 5341950), (50, 5128272), (54, 4748400), (60, 4273560), (72, 3561300), (75, 3418848), (80, 3205170), (81, 3165600), (90, 2849040), (96, 2670975), (100, 2564136), (108, 2374200), (120, 2136780), (135, 1899360), (144, 1780650), (150, 1709424), (160, 1602585), (162, 1582800), (180, 1424520), (200, 1282068), (216, 1187100), (225, 1139616), (240, 1068390), (243, 1055200), (270, 949680), (288, 890325), (300, 854712), (324, 791400), (360, 712260), (400, 641034), (405, 633120), (432, 593550), (450, 569808), (480, 534195), (486, 527600), (540, 474840), (600, 427356), (648, 395700), (675, 379872), (720, 356130), (800, 320517), (810, 316560), (864, 296775), (900, 284904), (972, 263800), (1080, 237420), (1200, 213678), (1215, 211040), (1296, 197850), (1319, 194400), (1350, 189936), (1440, 178065), (1620, 158280), (1800, 142452), (1944, 131900), (2025, 126624), (2160, 118710), (2400, 106839), (2430, 105520), (2592, 98925), (2638, 97200), (2700, 94968), (3240, 79140), (3600, 71226), (3888, 65950), (3957, 64800), (4050, 63312), (4320, 59355), (4860, 52760), (5276, 48600), (5400, 47484), (6075, 42208), (6480, 39570), (6595, 38880), (7200, 35613), (7776, 32975), (7914, 32400), (8100, 31656), (9720, 26380), (10552, 24300), (10800, 23742), (11871, 21600), (12150, 21104), (12960, 19785), (13190, 19440), (15828, 16200)]