257502240

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 288

約数和(自身を含む): 941129280

約数和(自身を除く): 683627040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 96, 108, 111, 120, 135, 144, 148, 160, 162, 179, 180, 185, 216, 222, 240, 243, 270, 288, 296, 324, 333, 358, 360, 370, 405, 432, 444, 480, 486, 537, 540, 555, 592, 648, 666, 716, 720, 740, 810, 864, 888, 895, 972, 999, 1074, 1080, 1110, 1184, 1215, 1296, 1332, 1432, 1440, 1480, 1611, 1620, 1665, 1776, 1790, 1944, 1998, 2148, 2160, 2220, 2430, 2592, 2664, 2685, 2864, 2960, 2997, 3222, 3240, 3330, 3552, 3580, 3888, 3996, 4296, 4320, 4440, 4833, 4860, 4995, 5328, 5370, 5728, 5920, 5994, 6444, 6480, 6623, 6660, 7160, 7776, 7992, 8055, 8592, 8880, 8991, 9666, 9720, 9990, 10656, 10740, 11988, 12888, 12960, 13246, 13320, 14320, 14499, 14985, 15984, 16110, 17184, 17760, 17982, 19332, 19440, 19869, 19980, 21480, 23976, 24165, 25776, 26492, 26640, 28640, 28998, 29970, 31968, 32220, 33115, 35964, 38664, 38880, 39738, 39960, 42960, 43497, 44955, 47952, 48330, 51552, 52984, 53280, 57996, 59607, 59940, 64440, 66230, 71928, 72495, 77328, 79476, 79920, 85920, 86994, 89910, 95904, 96660, 99345, 105968, 115992, 119214, 119880, 128880, 132460, 143856, 144990, 154656, 158952, 159840, 173988, 178821, 179820, 193320, 198690, 211936, 217485, 231984, 238428, 239760, 257760, 264920, 287712, 289980, 298035, 317904, 347976, 357642, 359640, 386640, 397380, 434970, 463968, 476856, 479520, 529840, 536463, 579960, 596070, 635808, 695952, 715284, 719280, 773280, 794760, 869940, 894105, 953712, 1059680, 1072926, 1159920, 1192140, 1391904, 1430568, 1438560, 1589520, 1609389, 1739880, 1788210, 1907424, 2145852, 2319840, 2384280, 2682315, 2861136, 3179040, 3218778, 3479760, 3576420, 4291704, 4768560, 5364630, 5722272, 6437556, 6959520, 7152840, 8046945, 8583408, 9537120, 10729260, 12875112, 14305680, 16093890, 17166816, 21458520, 25750224, 28611360, 32187780, 42917040, 51500448, 64375560, 85834080, 128751120, 257502240]

約数ペア:

[(1, 257502240), (2, 128751120), (3, 85834080), (4, 64375560), (5, 51500448), (6, 42917040), (8, 32187780), (9, 28611360), (10, 25750224), (12, 21458520), (15, 17166816), (16, 16093890), (18, 14305680), (20, 12875112), (24, 10729260), (27, 9537120), (30, 8583408), (32, 8046945), (36, 7152840), (37, 6959520), (40, 6437556), (45, 5722272), (48, 5364630), (54, 4768560), (60, 4291704), (72, 3576420), (74, 3479760), (80, 3218778), (81, 3179040), (90, 2861136), (96, 2682315), (108, 2384280), (111, 2319840), (120, 2145852), (135, 1907424), (144, 1788210), (148, 1739880), (160, 1609389), (162, 1589520), (179, 1438560), (180, 1430568), (185, 1391904), (216, 1192140), (222, 1159920), (240, 1072926), (243, 1059680), (270, 953712), (288, 894105), (296, 869940), (324, 794760), (333, 773280), (358, 719280), (360, 715284), (370, 695952), (405, 635808), (432, 596070), (444, 579960), (480, 536463), (486, 529840), (537, 479520), (540, 476856), (555, 463968), (592, 434970), (648, 397380), (666, 386640), (716, 359640), (720, 357642), (740, 347976), (810, 317904), (864, 298035), (888, 289980), (895, 287712), (972, 264920), (999, 257760), (1074, 239760), (1080, 238428), (1110, 231984), (1184, 217485), (1215, 211936), (1296, 198690), (1332, 193320), (1432, 179820), (1440, 178821), (1480, 173988), (1611, 159840), (1620, 158952), (1665, 154656), (1776, 144990), (1790, 143856), (1944, 132460), (1998, 128880), (2148, 119880), (2160, 119214), (2220, 115992), (2430, 105968), (2592, 99345), (2664, 96660), (2685, 95904), (2864, 89910), (2960, 86994), (2997, 85920), (3222, 79920), (3240, 79476), (3330, 77328), (3552, 72495), (3580, 71928), (3888, 66230), (3996, 64440), (4296, 59940), (4320, 59607), (4440, 57996), (4833, 53280), (4860, 52984), (4995, 51552), (5328, 48330), (5370, 47952), (5728, 44955), (5920, 43497), (5994, 42960), (6444, 39960), (6480, 39738), (6623, 38880), (6660, 38664), (7160, 35964), (7776, 33115), (7992, 32220), (8055, 31968), (8592, 29970), (8880, 28998), (8991, 28640), (9666, 26640), (9720, 26492), (9990, 25776), (10656, 24165), (10740, 23976), (11988, 21480), (12888, 19980), (12960, 19869), (13246, 19440), (13320, 19332), (14320, 17982), (14499, 17760), (14985, 17184), (15984, 16110)]