321711360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 1035081600

約数和(自身を除く): 713370240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 256, 320, 384, 398, 421, 480, 597, 640, 768, 796, 842, 960, 995, 1194, 1263, 1280, 1592, 1684, 1920, 1990, 2105, 2388, 2526, 2985, 3184, 3368, 3840, 3980, 4210, 4776, 5052, 5970, 6315, 6368, 6736, 7960, 8420, 9552, 10104, 11940, 12630, 12736, 13472, 15920, 16840, 19104, 20208, 23880, 25260, 25472, 26944, 31840, 33680, 38208, 40416, 47760, 50520, 50944, 53888, 63680, 67360, 76416, 80832, 83779, 95520, 101040, 107776, 127360, 134720, 152832, 161664, 167558, 191040, 202080, 251337, 254720, 269440, 323328, 335116, 382080, 404160, 418895, 502674, 538880, 670232, 764160, 808320, 837790, 1005348, 1256685, 1340464, 1616640, 1675580, 2010696, 2513370, 2680928, 3351160, 4021392, 5026740, 5361856, 6702320, 8042784, 10053480, 10723712, 13404640, 16085568, 20106960, 21447424, 26809280, 32171136, 40213920, 53618560, 64342272, 80427840, 107237120, 160855680, 321711360]

約数ペア:

[(1, 321711360), (2, 160855680), (3, 107237120), (4, 80427840), (5, 64342272), (6, 53618560), (8, 40213920), (10, 32171136), (12, 26809280), (15, 21447424), (16, 20106960), (20, 16085568), (24, 13404640), (30, 10723712), (32, 10053480), (40, 8042784), (48, 6702320), (60, 5361856), (64, 5026740), (80, 4021392), (96, 3351160), (120, 2680928), (128, 2513370), (160, 2010696), (192, 1675580), (199, 1616640), (240, 1340464), (256, 1256685), (320, 1005348), (384, 837790), (398, 808320), (421, 764160), (480, 670232), (597, 538880), (640, 502674), (768, 418895), (796, 404160), (842, 382080), (960, 335116), (995, 323328), (1194, 269440), (1263, 254720), (1280, 251337), (1592, 202080), (1684, 191040), (1920, 167558), (1990, 161664), (2105, 152832), (2388, 134720), (2526, 127360), (2985, 107776), (3184, 101040), (3368, 95520), (3840, 83779), (3980, 80832), (4210, 76416), (4776, 67360), (5052, 63680), (5970, 53888), (6315, 50944), (6368, 50520), (6736, 47760), (7960, 40416), (8420, 38208), (9552, 33680), (10104, 31840), (11940, 26944), (12630, 25472), (12736, 25260), (13472, 23880), (15920, 20208), (16840, 19104)]