248605440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 144

約数和(自身を含む): 803095776

約数和(自身を除く): 554490336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 303, 320, 384, 404, 480, 505, 606, 640, 641, 768, 808, 960, 1010, 1212, 1280, 1282, 1515, 1616, 1920, 1923, 2020, 2424, 2564, 3030, 3205, 3232, 3840, 3846, 4040, 4848, 5128, 6060, 6410, 6464, 7692, 8080, 9615, 9696, 10256, 12120, 12820, 12928, 15384, 16160, 19230, 19392, 20512, 24240, 25640, 25856, 30768, 32320, 38460, 38784, 41024, 48480, 51280, 61536, 64640, 64741, 76920, 77568, 82048, 96960, 102560, 123072, 129280, 129482, 153840, 164096, 193920, 194223, 205120, 246144, 258964, 307680, 323705, 387840, 388446, 410240, 492288, 517928, 615360, 647410, 776892, 820480, 971115, 1035856, 1230720, 1294820, 1553784, 1942230, 2071712, 2461440, 2589640, 3107568, 3884460, 4143424, 5179280, 6215136, 7768920, 8286848, 10358560, 12430272, 15537840, 16573696, 20717120, 24860544, 31075680, 41434240, 49721088, 62151360, 82868480, 124302720, 248605440]

約数ペア:

[(1, 248605440), (2, 124302720), (3, 82868480), (4, 62151360), (5, 49721088), (6, 41434240), (8, 31075680), (10, 24860544), (12, 20717120), (15, 16573696), (16, 15537840), (20, 12430272), (24, 10358560), (30, 8286848), (32, 7768920), (40, 6215136), (48, 5179280), (60, 4143424), (64, 3884460), (80, 3107568), (96, 2589640), (101, 2461440), (120, 2071712), (128, 1942230), (160, 1553784), (192, 1294820), (202, 1230720), (240, 1035856), (256, 971115), (303, 820480), (320, 776892), (384, 647410), (404, 615360), (480, 517928), (505, 492288), (606, 410240), (640, 388446), (641, 387840), (768, 323705), (808, 307680), (960, 258964), (1010, 246144), (1212, 205120), (1280, 194223), (1282, 193920), (1515, 164096), (1616, 153840), (1920, 129482), (1923, 129280), (2020, 123072), (2424, 102560), (2564, 96960), (3030, 82048), (3205, 77568), (3232, 76920), (3840, 64741), (3846, 64640), (4040, 61536), (4848, 51280), (5128, 48480), (6060, 41024), (6410, 38784), (6464, 38460), (7692, 32320), (8080, 30768), (9615, 25856), (9696, 25640), (10256, 24240), (12120, 20512), (12820, 19392), (12928, 19230), (15384, 16160)]