1256160640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 3652024320

約数和(自身を除く): 2395863680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 73, 80, 92, 112, 115, 128, 140, 146, 160, 161, 167, 184, 224, 230, 280, 292, 320, 322, 334, 365, 368, 448, 460, 511, 560, 584, 640, 644, 668, 730, 736, 805, 835, 896, 920, 1022, 1120, 1168, 1169, 1288, 1336, 1460, 1472, 1610, 1670, 1679, 1840, 2044, 2240, 2336, 2338, 2555, 2576, 2672, 2920, 2944, 3220, 3340, 3358, 3680, 3841, 4088, 4480, 4672, 4676, 5110, 5152, 5344, 5840, 5845, 6440, 6680, 6716, 7360, 7682, 8176, 8395, 9344, 9352, 10220, 10304, 10688, 11680, 11690, 11753, 12191, 12880, 13360, 13432, 14720, 15364, 16352, 16790, 18704, 19205, 20440, 20608, 21376, 23360, 23380, 23506, 24382, 25760, 26720, 26864, 26887, 30728, 32704, 33580, 37408, 38410, 40880, 46720, 46760, 47012, 48764, 51520, 53440, 53728, 53774, 58765, 60955, 61456, 65408, 67160, 74816, 76820, 81760, 85337, 93520, 94024, 97528, 103040, 106880, 107456, 107548, 117530, 121910, 122912, 134320, 134435, 149632, 153640, 163520, 170674, 187040, 188048, 195056, 214912, 215096, 235060, 243820, 245824, 268640, 268870, 280393, 307280, 327040, 341348, 374080, 376096, 390112, 426685, 430192, 470120, 487640, 491648, 537280, 537740, 560786, 614560, 682696, 748160, 752192, 780224, 853370, 860384, 940240, 975280, 1074560, 1075480, 1121572, 1229120, 1365392, 1401965, 1504384, 1560448, 1706740, 1720768, 1880480, 1950560, 1962751, 2150960, 2243144, 2458240, 2730784, 2803930, 3413480, 3441536, 3760960, 3901120, 3925502, 4301920, 4486288, 5461568, 5607860, 6826960, 7521920, 7802240, 7851004, 8603840, 8972576, 9813755, 10923136, 11215720, 13653920, 15702008, 17207680, 17945152, 19627510, 22431440, 27307840, 31404016, 35890304, 39255020, 44862880, 54615680, 62808032, 78510040, 89725760, 125616064, 157020080, 179451520, 251232128, 314040160, 628080320, 1256160640]

約数ペア:

[(1, 1256160640), (2, 628080320), (4, 314040160), (5, 251232128), (7, 179451520), (8, 157020080), (10, 125616064), (14, 89725760), (16, 78510040), (20, 62808032), (23, 54615680), (28, 44862880), (32, 39255020), (35, 35890304), (40, 31404016), (46, 27307840), (56, 22431440), (64, 19627510), (70, 17945152), (73, 17207680), (80, 15702008), (92, 13653920), (112, 11215720), (115, 10923136), (128, 9813755), (140, 8972576), (146, 8603840), (160, 7851004), (161, 7802240), (167, 7521920), (184, 6826960), (224, 5607860), (230, 5461568), (280, 4486288), (292, 4301920), (320, 3925502), (322, 3901120), (334, 3760960), (365, 3441536), (368, 3413480), (448, 2803930), (460, 2730784), (511, 2458240), (560, 2243144), (584, 2150960), (640, 1962751), (644, 1950560), (668, 1880480), (730, 1720768), (736, 1706740), (805, 1560448), (835, 1504384), (896, 1401965), (920, 1365392), (1022, 1229120), (1120, 1121572), (1168, 1075480), (1169, 1074560), (1288, 975280), (1336, 940240), (1460, 860384), (1472, 853370), (1610, 780224), (1670, 752192), (1679, 748160), (1840, 682696), (2044, 614560), (2240, 560786), (2336, 537740), (2338, 537280), (2555, 491648), (2576, 487640), (2672, 470120), (2920, 430192), (2944, 426685), (3220, 390112), (3340, 376096), (3358, 374080), (3680, 341348), (3841, 327040), (4088, 307280), (4480, 280393), (4672, 268870), (4676, 268640), (5110, 245824), (5152, 243820), (5344, 235060), (5840, 215096), (5845, 214912), (6440, 195056), (6680, 188048), (6716, 187040), (7360, 170674), (7682, 163520), (8176, 153640), (8395, 149632), (9344, 134435), (9352, 134320), (10220, 122912), (10304, 121910), (10688, 117530), (11680, 107548), (11690, 107456), (11753, 106880), (12191, 103040), (12880, 97528), (13360, 94024), (13432, 93520), (14720, 85337), (15364, 81760), (16352, 76820), (16790, 74816), (18704, 67160), (19205, 65408), (20440, 61456), (20608, 60955), (21376, 58765), (23360, 53774), (23380, 53728), (23506, 53440), (24382, 51520), (25760, 48764), (26720, 47012), (26864, 46760), (26887, 46720), (30728, 40880), (32704, 38410), (33580, 37408)]