1521512720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:522

約数の個数: 240

約数和(自身を含む): 4503305520

約数和(自身を除く): 2981792800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 73, 80, 91, 98, 104, 112, 130, 140, 146, 182, 196, 208, 245, 260, 280, 292, 364, 365, 392, 409, 455, 490, 511, 520, 560, 584, 637, 728, 730, 784, 818, 910, 949, 980, 1022, 1040, 1168, 1274, 1456, 1460, 1636, 1820, 1898, 1960, 2044, 2045, 2548, 2555, 2863, 2920, 3185, 3272, 3577, 3640, 3796, 3920, 4088, 4090, 4745, 5096, 5110, 5317, 5726, 5840, 6370, 6544, 6643, 7154, 7280, 7592, 8176, 8180, 9490, 10192, 10220, 10634, 11452, 12740, 13286, 14308, 14315, 15184, 16360, 17885, 18980, 20041, 20440, 21268, 22904, 25480, 26572, 26585, 28616, 28630, 29857, 32720, 33215, 35770, 37219, 37960, 40082, 40880, 42536, 45808, 46501, 50960, 53144, 53170, 57232, 57260, 59714, 66430, 71540, 74438, 75920, 80164, 85072, 93002, 100205, 106288, 106340, 114520, 119428, 132860, 143080, 148876, 149285, 160328, 186004, 186095, 200410, 208999, 212680, 229040, 232505, 238856, 260533, 265720, 286160, 297752, 298570, 320656, 372008, 372190, 388141, 400820, 417998, 425360, 465010, 477712, 521066, 531440, 595504, 597140, 744016, 744380, 776282, 801640, 835996, 930020, 1042132, 1044995, 1194280, 1302665, 1462993, 1488760, 1552564, 1603280, 1671992, 1860040, 1940705, 2084264, 2089990, 2388560, 2605330, 2716987, 2925986, 2977520, 3105128, 3343984, 3720080, 3881410, 4168528, 4179980, 5210660, 5433974, 5851972, 6210256, 7314965, 7762820, 8359960, 10421320, 10867948, 11703944, 13584935, 14629930, 15525640, 16719920, 19018909, 20842640, 21735896, 23407888, 27169870, 29259860, 31051280, 38037818, 43471792, 54339740, 58519720, 76075636, 95094545, 108679480, 117039440, 152151272, 190189090, 217358960, 304302544, 380378180, 760756360, 1521512720]

約数ペア:

[(1, 1521512720), (2, 760756360), (4, 380378180), (5, 304302544), (7, 217358960), (8, 190189090), (10, 152151272), (13, 117039440), (14, 108679480), (16, 95094545), (20, 76075636), (26, 58519720), (28, 54339740), (35, 43471792), (40, 38037818), (49, 31051280), (52, 29259860), (56, 27169870), (65, 23407888), (70, 21735896), (73, 20842640), (80, 19018909), (91, 16719920), (98, 15525640), (104, 14629930), (112, 13584935), (130, 11703944), (140, 10867948), (146, 10421320), (182, 8359960), (196, 7762820), (208, 7314965), (245, 6210256), (260, 5851972), (280, 5433974), (292, 5210660), (364, 4179980), (365, 4168528), (392, 3881410), (409, 3720080), (455, 3343984), (490, 3105128), (511, 2977520), (520, 2925986), (560, 2716987), (584, 2605330), (637, 2388560), (728, 2089990), (730, 2084264), (784, 1940705), (818, 1860040), (910, 1671992), (949, 1603280), (980, 1552564), (1022, 1488760), (1040, 1462993), (1168, 1302665), (1274, 1194280), (1456, 1044995), (1460, 1042132), (1636, 930020), (1820, 835996), (1898, 801640), (1960, 776282), (2044, 744380), (2045, 744016), (2548, 597140), (2555, 595504), (2863, 531440), (2920, 521066), (3185, 477712), (3272, 465010), (3577, 425360), (3640, 417998), (3796, 400820), (3920, 388141), (4088, 372190), (4090, 372008), (4745, 320656), (5096, 298570), (5110, 297752), (5317, 286160), (5726, 265720), (5840, 260533), (6370, 238856), (6544, 232505), (6643, 229040), (7154, 212680), (7280, 208999), (7592, 200410), (8176, 186095), (8180, 186004), (9490, 160328), (10192, 149285), (10220, 148876), (10634, 143080), (11452, 132860), (12740, 119428), (13286, 114520), (14308, 106340), (14315, 106288), (15184, 100205), (16360, 93002), (17885, 85072), (18980, 80164), (20041, 75920), (20440, 74438), (21268, 71540), (22904, 66430), (25480, 59714), (26572, 57260), (26585, 57232), (28616, 53170), (28630, 53144), (29857, 50960), (32720, 46501), (33215, 45808), (35770, 42536), (37219, 40880), (37960, 40082)]