255536960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:453

約数の個数: 168

約数和(自身を含む): 726216480

約数和(自身を除く): 470679520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 320, 344, 379, 392, 430, 448, 490, 560, 602, 688, 758, 784, 860, 980, 1120, 1204, 1376, 1505, 1516, 1568, 1720, 1895, 1960, 2107, 2240, 2408, 2653, 2752, 3010, 3032, 3136, 3440, 3790, 3920, 4214, 4816, 5306, 6020, 6064, 6880, 7580, 7840, 8428, 9632, 10535, 10612, 12040, 12128, 13265, 13760, 15160, 15680, 16297, 16856, 18571, 19264, 21070, 21224, 24080, 24256, 26530, 30320, 32594, 33712, 37142, 42140, 42448, 48160, 53060, 60640, 65188, 67424, 74284, 81485, 84280, 84896, 92855, 96320, 106120, 114079, 121280, 130376, 134848, 148568, 162970, 168560, 169792, 185710, 212240, 228158, 260752, 297136, 325940, 337120, 371420, 424480, 456316, 521504, 570395, 594272, 651880, 674240, 742840, 798553, 848960, 912632, 1043008, 1140790, 1188544, 1303760, 1485680, 1597106, 1825264, 2281580, 2607520, 2971360, 3194212, 3650528, 3992765, 4563160, 5215040, 5942720, 6388424, 7301056, 7985530, 9126320, 12776848, 15971060, 18252640, 25553696, 31942120, 36505280, 51107392, 63884240, 127768480, 255536960]

約数ペア:

[(1, 255536960), (2, 127768480), (4, 63884240), (5, 51107392), (7, 36505280), (8, 31942120), (10, 25553696), (14, 18252640), (16, 15971060), (20, 12776848), (28, 9126320), (32, 7985530), (35, 7301056), (40, 6388424), (43, 5942720), (49, 5215040), (56, 4563160), (64, 3992765), (70, 3650528), (80, 3194212), (86, 2971360), (98, 2607520), (112, 2281580), (140, 1825264), (160, 1597106), (172, 1485680), (196, 1303760), (215, 1188544), (224, 1140790), (245, 1043008), (280, 912632), (301, 848960), (320, 798553), (344, 742840), (379, 674240), (392, 651880), (430, 594272), (448, 570395), (490, 521504), (560, 456316), (602, 424480), (688, 371420), (758, 337120), (784, 325940), (860, 297136), (980, 260752), (1120, 228158), (1204, 212240), (1376, 185710), (1505, 169792), (1516, 168560), (1568, 162970), (1720, 148568), (1895, 134848), (1960, 130376), (2107, 121280), (2240, 114079), (2408, 106120), (2653, 96320), (2752, 92855), (3010, 84896), (3032, 84280), (3136, 81485), (3440, 74284), (3790, 67424), (3920, 65188), (4214, 60640), (4816, 53060), (5306, 48160), (6020, 42448), (6064, 42140), (6880, 37142), (7580, 33712), (7840, 32594), (8428, 30320), (9632, 26530), (10535, 24256), (10612, 24080), (12040, 21224), (12128, 21070), (13265, 19264), (13760, 18571), (15160, 16856), (15680, 16297)]