257274240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2851}}^1$

素因数の和:2920

約数の個数: 128

約数和(自身を含む): 837803520

約数和(自身を除く): 580529280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 376, 384, 470, 480, 564, 640, 705, 752, 940, 960, 1128, 1410, 1504, 1880, 1920, 2256, 2820, 2851, 3008, 3760, 4512, 5640, 5702, 6016, 7520, 8553, 9024, 11280, 11404, 14255, 15040, 17106, 18048, 22560, 22808, 28510, 30080, 34212, 42765, 45120, 45616, 57020, 68424, 85530, 90240, 91232, 114040, 133997, 136848, 171060, 182464, 228080, 267994, 273696, 342120, 364928, 401991, 456160, 535988, 547392, 669985, 684240, 803982, 912320, 1071976, 1094784, 1339970, 1368480, 1607964, 1824640, 2009955, 2143952, 2679940, 2736960, 3215928, 4019910, 4287904, 5359880, 5473920, 6431856, 8039820, 8575808, 10719760, 12863712, 16079640, 17151616, 21439520, 25727424, 32159280, 42879040, 51454848, 64318560, 85758080, 128637120, 257274240]

約数ペア:

[(1, 257274240), (2, 128637120), (3, 85758080), (4, 64318560), (5, 51454848), (6, 42879040), (8, 32159280), (10, 25727424), (12, 21439520), (15, 17151616), (16, 16079640), (20, 12863712), (24, 10719760), (30, 8575808), (32, 8039820), (40, 6431856), (47, 5473920), (48, 5359880), (60, 4287904), (64, 4019910), (80, 3215928), (94, 2736960), (96, 2679940), (120, 2143952), (128, 2009955), (141, 1824640), (160, 1607964), (188, 1368480), (192, 1339970), (235, 1094784), (240, 1071976), (282, 912320), (320, 803982), (376, 684240), (384, 669985), (470, 547392), (480, 535988), (564, 456160), (640, 401991), (705, 364928), (752, 342120), (940, 273696), (960, 267994), (1128, 228080), (1410, 182464), (1504, 171060), (1880, 136848), (1920, 133997), (2256, 114040), (2820, 91232), (2851, 90240), (3008, 85530), (3760, 68424), (4512, 57020), (5640, 45616), (5702, 45120), (6016, 42765), (7520, 34212), (8553, 30080), (9024, 28510), (11280, 22808), (11404, 22560), (14255, 18048), (15040, 17106)]