256615920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32401}}^1$

素因数の和:32431

約数の個数: 120

約数和(自身を含む): 940176432

約数和(自身を除く): 683560512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 32401, 64802, 97203, 129604, 162005, 194406, 259208, 291609, 324010, 356411, 388812, 486015, 518416, 583218, 648020, 712822, 777624, 972030, 1069233, 1166436, 1296040, 1425644, 1458045, 1555248, 1782055, 1944060, 2138466, 2332872, 2592080, 2851288, 2916090, 3207699, 3564110, 3888120, 4276932, 4665744, 5346165, 5702576, 5832180, 6415398, 7128220, 7776240, 8553864, 10692330, 11664360, 12830796, 14256440, 16038495, 17107728, 21384660, 23328720, 25661592, 28512880, 32076990, 42769320, 51323184, 64153980, 85538640, 128307960, 256615920]

約数ペア:

[(1, 256615920), (2, 128307960), (3, 85538640), (4, 64153980), (5, 51323184), (6, 42769320), (8, 32076990), (9, 28512880), (10, 25661592), (11, 23328720), (12, 21384660), (15, 17107728), (16, 16038495), (18, 14256440), (20, 12830796), (22, 11664360), (24, 10692330), (30, 8553864), (33, 7776240), (36, 7128220), (40, 6415398), (44, 5832180), (45, 5702576), (48, 5346165), (55, 4665744), (60, 4276932), (66, 3888120), (72, 3564110), (80, 3207699), (88, 2916090), (90, 2851288), (99, 2592080), (110, 2332872), (120, 2138466), (132, 1944060), (144, 1782055), (165, 1555248), (176, 1458045), (180, 1425644), (198, 1296040), (220, 1166436), (240, 1069233), (264, 972030), (330, 777624), (360, 712822), (396, 648020), (440, 583218), (495, 518416), (528, 486015), (660, 388812), (720, 356411), (792, 324010), (880, 291609), (990, 259208), (1320, 194406), (1584, 162005), (1980, 129604), (2640, 97203), (3960, 64802), (7920, 32401)]