162777440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 470292480

約数和(自身を除く): 307515040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 71, 80, 89, 92, 112, 115, 140, 142, 160, 161, 178, 184, 224, 230, 280, 284, 322, 355, 356, 368, 445, 460, 497, 560, 568, 623, 644, 710, 712, 736, 805, 890, 920, 994, 1120, 1136, 1246, 1288, 1420, 1424, 1610, 1633, 1780, 1840, 1988, 2047, 2272, 2485, 2492, 2576, 2840, 2848, 3115, 3220, 3266, 3560, 3680, 3976, 4094, 4970, 4984, 5152, 5680, 6230, 6319, 6440, 6532, 7120, 7952, 8165, 8188, 9940, 9968, 10235, 11360, 11431, 12460, 12638, 12880, 13064, 14240, 14329, 15904, 16330, 16376, 19880, 19936, 20470, 22862, 24920, 25276, 25760, 26128, 28658, 31595, 32660, 32752, 39760, 40940, 44233, 45724, 49840, 50552, 52256, 57155, 57316, 63190, 65320, 65504, 71645, 79520, 81880, 88466, 91448, 99680, 101104, 114310, 114632, 126380, 130640, 143290, 145337, 163760, 176932, 182896, 202208, 221165, 228620, 229264, 252760, 261280, 286580, 290674, 327520, 353864, 365792, 442330, 457240, 458528, 505520, 573160, 581348, 707728, 726685, 884660, 914480, 1011040, 1017359, 1146320, 1162696, 1415456, 1453370, 1769320, 1828960, 2034718, 2292640, 2325392, 2906740, 3538640, 4069436, 4650784, 5086795, 5813480, 7077280, 8138872, 10173590, 11626960, 16277744, 20347180, 23253920, 32555488, 40694360, 81388720, 162777440]

約数ペア:

[(1, 162777440), (2, 81388720), (4, 40694360), (5, 32555488), (7, 23253920), (8, 20347180), (10, 16277744), (14, 11626960), (16, 10173590), (20, 8138872), (23, 7077280), (28, 5813480), (32, 5086795), (35, 4650784), (40, 4069436), (46, 3538640), (56, 2906740), (70, 2325392), (71, 2292640), (80, 2034718), (89, 1828960), (92, 1769320), (112, 1453370), (115, 1415456), (140, 1162696), (142, 1146320), (160, 1017359), (161, 1011040), (178, 914480), (184, 884660), (224, 726685), (230, 707728), (280, 581348), (284, 573160), (322, 505520), (355, 458528), (356, 457240), (368, 442330), (445, 365792), (460, 353864), (497, 327520), (560, 290674), (568, 286580), (623, 261280), (644, 252760), (710, 229264), (712, 228620), (736, 221165), (805, 202208), (890, 182896), (920, 176932), (994, 163760), (1120, 145337), (1136, 143290), (1246, 130640), (1288, 126380), (1420, 114632), (1424, 114310), (1610, 101104), (1633, 99680), (1780, 91448), (1840, 88466), (1988, 81880), (2047, 79520), (2272, 71645), (2485, 65504), (2492, 65320), (2576, 63190), (2840, 57316), (2848, 57155), (3115, 52256), (3220, 50552), (3266, 49840), (3560, 45724), (3680, 44233), (3976, 40940), (4094, 39760), (4970, 32752), (4984, 32660), (5152, 31595), (5680, 28658), (6230, 26128), (6319, 25760), (6440, 25276), (6532, 24920), (7120, 22862), (7952, 20470), (8165, 19936), (8188, 19880), (9940, 16376), (9968, 16330), (10235, 15904), (11360, 14329), (11431, 14240), (12460, 13064), (12638, 12880)]