131487120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 469827072

約数和(自身を除く): 338339952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 43, 45, 48, 60, 62, 72, 80, 86, 90, 93, 120, 124, 129, 137, 144, 155, 172, 180, 186, 215, 240, 248, 258, 274, 279, 310, 344, 360, 372, 387, 411, 430, 465, 496, 516, 548, 558, 620, 645, 685, 688, 720, 744, 774, 822, 860, 930, 1032, 1096, 1116, 1233, 1240, 1290, 1333, 1370, 1395, 1488, 1548, 1644, 1720, 1860, 1935, 2055, 2064, 2192, 2232, 2466, 2480, 2580, 2666, 2740, 2790, 3096, 3288, 3440, 3720, 3870, 3999, 4110, 4247, 4464, 4932, 5160, 5332, 5480, 5580, 5891, 6165, 6192, 6576, 6665, 7440, 7740, 7998, 8220, 8494, 9864, 10320, 10664, 10960, 11160, 11782, 11997, 12330, 12741, 13330, 15480, 15996, 16440, 16988, 17673, 19728, 19995, 21235, 21328, 22320, 23564, 23994, 24660, 25482, 26660, 29455, 30960, 31992, 32880, 33976, 35346, 38223, 39990, 42470, 47128, 47988, 49320, 50964, 53019, 53320, 58910, 59985, 63705, 63984, 67952, 70692, 76446, 79980, 84940, 88365, 94256, 95976, 98640, 101928, 106038, 106640, 117820, 119970, 127410, 141384, 152892, 159960, 169880, 176730, 182621, 191115, 191952, 203856, 212076, 235640, 239940, 254820, 265095, 282768, 305784, 319920, 339760, 353460, 365242, 382230, 424152, 471280, 479880, 509640, 530190, 547863, 611568, 706920, 730484, 764460, 848304, 913105, 959760, 1019280, 1060380, 1095726, 1413840, 1460968, 1528920, 1643589, 1826210, 2120760, 2191452, 2739315, 2921936, 3057840, 3287178, 3652420, 4241520, 4382904, 5478630, 6574356, 7304840, 8217945, 8765808, 10957260, 13148712, 14609680, 16435890, 21914520, 26297424, 32871780, 43829040, 65743560, 131487120]

約数ペア:

[(1, 131487120), (2, 65743560), (3, 43829040), (4, 32871780), (5, 26297424), (6, 21914520), (8, 16435890), (9, 14609680), (10, 13148712), (12, 10957260), (15, 8765808), (16, 8217945), (18, 7304840), (20, 6574356), (24, 5478630), (30, 4382904), (31, 4241520), (36, 3652420), (40, 3287178), (43, 3057840), (45, 2921936), (48, 2739315), (60, 2191452), (62, 2120760), (72, 1826210), (80, 1643589), (86, 1528920), (90, 1460968), (93, 1413840), (120, 1095726), (124, 1060380), (129, 1019280), (137, 959760), (144, 913105), (155, 848304), (172, 764460), (180, 730484), (186, 706920), (215, 611568), (240, 547863), (248, 530190), (258, 509640), (274, 479880), (279, 471280), (310, 424152), (344, 382230), (360, 365242), (372, 353460), (387, 339760), (411, 319920), (430, 305784), (465, 282768), (496, 265095), (516, 254820), (548, 239940), (558, 235640), (620, 212076), (645, 203856), (685, 191952), (688, 191115), (720, 182621), (744, 176730), (774, 169880), (822, 159960), (860, 152892), (930, 141384), (1032, 127410), (1096, 119970), (1116, 117820), (1233, 106640), (1240, 106038), (1290, 101928), (1333, 98640), (1370, 95976), (1395, 94256), (1488, 88365), (1548, 84940), (1644, 79980), (1720, 76446), (1860, 70692), (1935, 67952), (2055, 63984), (2064, 63705), (2192, 59985), (2232, 58910), (2466, 53320), (2480, 53019), (2580, 50964), (2666, 49320), (2740, 47988), (2790, 47128), (3096, 42470), (3288, 39990), (3440, 38223), (3720, 35346), (3870, 33976), (3999, 32880), (4110, 31992), (4247, 30960), (4464, 29455), (4932, 26660), (5160, 25482), (5332, 24660), (5480, 23994), (5580, 23564), (5891, 22320), (6165, 21328), (6192, 21235), (6576, 19995), (6665, 19728), (7440, 17673), (7740, 16988), (7998, 16440), (8220, 15996), (8494, 15480), (9864, 13330), (10320, 12741), (10664, 12330), (10960, 11997), (11160, 11782)]