257433120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8513}}^1$

素因数の和:8544

約数の個数: 192

約数和(自身を含む): 1029853440

約数和(自身を除く): 772420320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8513, 10080, 15120, 17026, 25539, 30240, 34052, 42565, 51078, 59591, 68104, 76617, 85130, 102156, 119182, 127695, 136208, 153234, 170260, 178773, 204312, 229851, 238364, 255390, 272416, 297955, 306468, 340520, 357546, 383085, 408624, 459702, 476728, 510780, 536319, 595910, 612936, 681040, 715092, 766170, 817248, 893865, 919404, 953456, 1021560, 1072638, 1149255, 1191820, 1225872, 1362080, 1430184, 1532340, 1608957, 1787730, 1838808, 1906912, 2043120, 2145276, 2298510, 2383640, 2451744, 2681595, 2860368, 3064680, 3217914, 3575460, 3677616, 4086240, 4290552, 4597020, 4767280, 5363190, 5720736, 6129360, 6435828, 7150920, 7355232, 8044785, 8581104, 9194040, 9534560, 10726380, 12258720, 12871656, 14301840, 16089570, 17162208, 18388080, 21452760, 25743312, 28603680, 32179140, 36776160, 42905520, 51486624, 64358280, 85811040, 128716560, 257433120]

約数ペア:

[(1, 257433120), (2, 128716560), (3, 85811040), (4, 64358280), (5, 51486624), (6, 42905520), (7, 36776160), (8, 32179140), (9, 28603680), (10, 25743312), (12, 21452760), (14, 18388080), (15, 17162208), (16, 16089570), (18, 14301840), (20, 12871656), (21, 12258720), (24, 10726380), (27, 9534560), (28, 9194040), (30, 8581104), (32, 8044785), (35, 7355232), (36, 7150920), (40, 6435828), (42, 6129360), (45, 5720736), (48, 5363190), (54, 4767280), (56, 4597020), (60, 4290552), (63, 4086240), (70, 3677616), (72, 3575460), (80, 3217914), (84, 3064680), (90, 2860368), (96, 2681595), (105, 2451744), (108, 2383640), (112, 2298510), (120, 2145276), (126, 2043120), (135, 1906912), (140, 1838808), (144, 1787730), (160, 1608957), (168, 1532340), (180, 1430184), (189, 1362080), (210, 1225872), (216, 1191820), (224, 1149255), (240, 1072638), (252, 1021560), (270, 953456), (280, 919404), (288, 893865), (315, 817248), (336, 766170), (360, 715092), (378, 681040), (420, 612936), (432, 595910), (480, 536319), (504, 510780), (540, 476728), (560, 459702), (630, 408624), (672, 383085), (720, 357546), (756, 340520), (840, 306468), (864, 297955), (945, 272416), (1008, 255390), (1080, 238364), (1120, 229851), (1260, 204312), (1440, 178773), (1512, 170260), (1680, 153234), (1890, 136208), (2016, 127695), (2160, 119182), (2520, 102156), (3024, 85130), (3360, 76617), (3780, 68104), (4320, 59591), (5040, 51078), (6048, 42565), (7560, 34052), (8513, 30240), (10080, 25539), (15120, 17026)]