256080720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{152429}}^1$

素因数の和:152452

約数の個数: 80

約数和(自身を含む): 907263360

約数和(自身を除く): 651182640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 152429, 304858, 457287, 609716, 762145, 914574, 1067003, 1219432, 1524290, 1829148, 2134006, 2286435, 2438864, 3048580, 3201009, 3658296, 4268012, 4572870, 5335015, 6097160, 6402018, 7316592, 8536024, 9145740, 10670030, 12194320, 12804036, 16005045, 17072048, 18291480, 21340060, 25608072, 32010090, 36582960, 42680120, 51216144, 64020180, 85360240, 128040360, 256080720]

約数ペア:

[(1, 256080720), (2, 128040360), (3, 85360240), (4, 64020180), (5, 51216144), (6, 42680120), (7, 36582960), (8, 32010090), (10, 25608072), (12, 21340060), (14, 18291480), (15, 17072048), (16, 16005045), (20, 12804036), (21, 12194320), (24, 10670030), (28, 9145740), (30, 8536024), (35, 7316592), (40, 6402018), (42, 6097160), (48, 5335015), (56, 4572870), (60, 4268012), (70, 3658296), (80, 3201009), (84, 3048580), (105, 2438864), (112, 2286435), (120, 2134006), (140, 1829148), (168, 1524290), (210, 1219432), (240, 1067003), (280, 914574), (336, 762145), (420, 609716), (560, 457287), (840, 304858), (1680, 152429)]