256433760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16189}}^1$

素因数の和:16221

約数の個数: 144

約数和(自身を含む): 954691920

約数和(自身を除く): 698258160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 16189, 32378, 48567, 64756, 80945, 97134, 129512, 145701, 161890, 178079, 194268, 242835, 259024, 291402, 323780, 356158, 388536, 485670, 518048, 534237, 582804, 647560, 712316, 728505, 777072, 890395, 971340, 1068474, 1165608, 1295120, 1424632, 1457010, 1554144, 1602711, 1780790, 1942680, 2136948, 2331216, 2590240, 2671185, 2849264, 2914020, 3205422, 3561580, 3885360, 4273896, 4662432, 5342370, 5698528, 5828040, 6410844, 7123160, 7770720, 8013555, 8547792, 10684740, 11656080, 12821688, 14246320, 16027110, 17095584, 21369480, 23312160, 25643376, 28492640, 32054220, 42738960, 51286752, 64108440, 85477920, 128216880, 256433760]

約数ペア:

[(1, 256433760), (2, 128216880), (3, 85477920), (4, 64108440), (5, 51286752), (6, 42738960), (8, 32054220), (9, 28492640), (10, 25643376), (11, 23312160), (12, 21369480), (15, 17095584), (16, 16027110), (18, 14246320), (20, 12821688), (22, 11656080), (24, 10684740), (30, 8547792), (32, 8013555), (33, 7770720), (36, 7123160), (40, 6410844), (44, 5828040), (45, 5698528), (48, 5342370), (55, 4662432), (60, 4273896), (66, 3885360), (72, 3561580), (80, 3205422), (88, 2914020), (90, 2849264), (96, 2671185), (99, 2590240), (110, 2331216), (120, 2136948), (132, 1942680), (144, 1780790), (160, 1602711), (165, 1554144), (176, 1457010), (180, 1424632), (198, 1295120), (220, 1165608), (240, 1068474), (264, 971340), (288, 890395), (330, 777072), (352, 728505), (360, 712316), (396, 647560), (440, 582804), (480, 534237), (495, 518048), (528, 485670), (660, 388536), (720, 356158), (792, 323780), (880, 291402), (990, 259024), (1056, 242835), (1320, 194268), (1440, 178079), (1584, 161890), (1760, 145701), (1980, 129512), (2640, 97134), (3168, 80945), (3960, 64756), (5280, 48567), (7920, 32378), (15840, 16189)]