257709760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10459}}^1$

素因数の和:10494

約数の個数: 112

約数和(自身を含む): 765169920

約数和(自身を除く): 507460160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 10459, 12320, 20918, 24640, 41836, 52295, 73213, 83672, 104590, 115049, 146426, 167344, 209180, 230098, 292852, 334688, 366065, 418360, 460196, 575245, 585704, 669376, 732130, 805343, 836720, 920392, 1150490, 1171408, 1464260, 1610686, 1673440, 1840784, 2300980, 2342816, 2928520, 3221372, 3346880, 3681568, 4026715, 4601960, 4685632, 5857040, 6442744, 7363136, 8053430, 9203920, 11714080, 12885488, 16106860, 18407840, 23428160, 25770976, 32213720, 36815680, 51541952, 64427440, 128854880, 257709760]

約数ペア:

[(1, 257709760), (2, 128854880), (4, 64427440), (5, 51541952), (7, 36815680), (8, 32213720), (10, 25770976), (11, 23428160), (14, 18407840), (16, 16106860), (20, 12885488), (22, 11714080), (28, 9203920), (32, 8053430), (35, 7363136), (40, 6442744), (44, 5857040), (55, 4685632), (56, 4601960), (64, 4026715), (70, 3681568), (77, 3346880), (80, 3221372), (88, 2928520), (110, 2342816), (112, 2300980), (140, 1840784), (154, 1673440), (160, 1610686), (176, 1464260), (220, 1171408), (224, 1150490), (280, 920392), (308, 836720), (320, 805343), (352, 732130), (385, 669376), (440, 585704), (448, 575245), (560, 460196), (616, 418360), (704, 366065), (770, 334688), (880, 292852), (1120, 230098), (1232, 209180), (1540, 167344), (1760, 146426), (2240, 115049), (2464, 104590), (3080, 83672), (3520, 73213), (4928, 52295), (6160, 41836), (10459, 24640), (12320, 20918)]