287931840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{6121}}^1$

素因数の和:6155

約数の個数: 168

約数和(自身を含む): 1063611792

約数和(自身を除く): 775679952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6121, 6720, 7840, 9408, 11760, 12242, 15680, 18363, 23520, 24484, 30605, 36726, 42847, 47040, 48968, 61210, 73452, 85694, 91815, 97936, 122420, 128541, 146904, 171388, 183630, 195872, 214235, 244840, 257082, 293808, 299929, 342776, 367260, 391744, 428470, 489680, 514164, 587616, 599858, 642705, 685552, 734520, 856940, 899787, 979360, 1028328, 1175232, 1199716, 1285410, 1371104, 1469040, 1499645, 1713880, 1799574, 1958720, 2056656, 2399432, 2570820, 2742208, 2938080, 2999290, 3427760, 3599148, 4113312, 4498935, 4798864, 5141640, 5876160, 5998580, 6855520, 7198296, 8226624, 8997870, 9597728, 10283280, 11997160, 13711040, 14396592, 17995740, 19195456, 20566560, 23994320, 28793184, 35991480, 41133120, 47988640, 57586368, 71982960, 95977280, 143965920, 287931840]

約数ペア:

[(1, 287931840), (2, 143965920), (3, 95977280), (4, 71982960), (5, 57586368), (6, 47988640), (7, 41133120), (8, 35991480), (10, 28793184), (12, 23994320), (14, 20566560), (15, 19195456), (16, 17995740), (20, 14396592), (21, 13711040), (24, 11997160), (28, 10283280), (30, 9597728), (32, 8997870), (35, 8226624), (40, 7198296), (42, 6855520), (48, 5998580), (49, 5876160), (56, 5141640), (60, 4798864), (64, 4498935), (70, 4113312), (80, 3599148), (84, 3427760), (96, 2999290), (98, 2938080), (105, 2742208), (112, 2570820), (120, 2399432), (140, 2056656), (147, 1958720), (160, 1799574), (168, 1713880), (192, 1499645), (196, 1469040), (210, 1371104), (224, 1285410), (240, 1199716), (245, 1175232), (280, 1028328), (294, 979360), (320, 899787), (336, 856940), (392, 734520), (420, 685552), (448, 642705), (480, 599858), (490, 587616), (560, 514164), (588, 489680), (672, 428470), (735, 391744), (784, 367260), (840, 342776), (960, 299929), (980, 293808), (1120, 257082), (1176, 244840), (1344, 214235), (1470, 195872), (1568, 183630), (1680, 171388), (1960, 146904), (2240, 128541), (2352, 122420), (2940, 97936), (3136, 91815), (3360, 85694), (3920, 73452), (4704, 61210), (5880, 48968), (6121, 47040), (6720, 42847), (7840, 36726), (9408, 30605), (11760, 24484), (12242, 23520), (15680, 18363)]