1991142720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:662

約数の個数: 336

約数和(自身を含む): 7877251200

約数和(自身を除く): 5886108480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 283, 288, 315, 320, 336, 349, 360, 420, 448, 480, 504, 560, 566, 576, 630, 672, 698, 720, 840, 849, 960, 1008, 1047, 1120, 1132, 1260, 1344, 1396, 1415, 1440, 1680, 1698, 1745, 1981, 2016, 2094, 2240, 2264, 2443, 2520, 2547, 2792, 2830, 2880, 3141, 3360, 3396, 3490, 3962, 4032, 4188, 4245, 4528, 4886, 5040, 5094, 5235, 5584, 5660, 5943, 6282, 6720, 6792, 6980, 7329, 7924, 8376, 8490, 9056, 9772, 9905, 10080, 10188, 10470, 11168, 11320, 11886, 12215, 12564, 12735, 13584, 13960, 14658, 15705, 15848, 16752, 16980, 17829, 18112, 19544, 19810, 20160, 20376, 20940, 21987, 22336, 22640, 23772, 24430, 25128, 25470, 27168, 27920, 29316, 29715, 31410, 31696, 33504, 33960, 35658, 36645, 39088, 39620, 40752, 41880, 43974, 45280, 47544, 48860, 50256, 50940, 54336, 55840, 58632, 59430, 62820, 63392, 67008, 67920, 71316, 73290, 78176, 79240, 81504, 83760, 87948, 89145, 90560, 95088, 97720, 98767, 100512, 101880, 109935, 111680, 117264, 118860, 125640, 126784, 135840, 142632, 146580, 156352, 158480, 163008, 167520, 175896, 178290, 190176, 195440, 197534, 201024, 203760, 219870, 234528, 237720, 251280, 271680, 285264, 293160, 296301, 316960, 335040, 351792, 356580, 380352, 390880, 395068, 407520, 439740, 469056, 475440, 493835, 502560, 570528, 586320, 592602, 633920, 691369, 703584, 713160, 781760, 790136, 815040, 879480, 888903, 950880, 987670, 1005120, 1141056, 1172640, 1185204, 1382738, 1407168, 1426320, 1481505, 1580272, 1758960, 1777806, 1901760, 1975340, 2074107, 2345280, 2370408, 2765476, 2852640, 2963010, 3160544, 3456845, 3517920, 3555612, 3950680, 4148214, 4444515, 4740816, 5530952, 5705280, 5926020, 6222321, 6321088, 6913690, 7035840, 7111224, 7901360, 8296428, 8889030, 9481632, 10370535, 11061904, 11852040, 12444642, 13827380, 14222448, 15802720, 16592856, 17778060, 18963264, 20741070, 22123808, 23704080, 24889284, 27654760, 28444896, 31111605, 31605440, 33185712, 35556120, 41482140, 44247616, 47408160, 49778568, 55309520, 56889792, 62223210, 66371424, 71112240, 82964280, 94816320, 99557136, 110619040, 124446420, 132742848, 142224480, 165928560, 199114272, 221238080, 248892840, 284448960, 331857120, 398228544, 497785680, 663714240, 995571360, 1991142720]

約数ペア:

[(1, 1991142720), (2, 995571360), (3, 663714240), (4, 497785680), (5, 398228544), (6, 331857120), (7, 284448960), (8, 248892840), (9, 221238080), (10, 199114272), (12, 165928560), (14, 142224480), (15, 132742848), (16, 124446420), (18, 110619040), (20, 99557136), (21, 94816320), (24, 82964280), (28, 71112240), (30, 66371424), (32, 62223210), (35, 56889792), (36, 55309520), (40, 49778568), (42, 47408160), (45, 44247616), (48, 41482140), (56, 35556120), (60, 33185712), (63, 31605440), (64, 31111605), (70, 28444896), (72, 27654760), (80, 24889284), (84, 23704080), (90, 22123808), (96, 20741070), (105, 18963264), (112, 17778060), (120, 16592856), (126, 15802720), (140, 14222448), (144, 13827380), (160, 12444642), (168, 11852040), (180, 11061904), (192, 10370535), (210, 9481632), (224, 8889030), (240, 8296428), (252, 7901360), (280, 7111224), (283, 7035840), (288, 6913690), (315, 6321088), (320, 6222321), (336, 5926020), (349, 5705280), (360, 5530952), (420, 4740816), (448, 4444515), (480, 4148214), (504, 3950680), (560, 3555612), (566, 3517920), (576, 3456845), (630, 3160544), (672, 2963010), (698, 2852640), (720, 2765476), (840, 2370408), (849, 2345280), (960, 2074107), (1008, 1975340), (1047, 1901760), (1120, 1777806), (1132, 1758960), (1260, 1580272), (1344, 1481505), (1396, 1426320), (1415, 1407168), (1440, 1382738), (1680, 1185204), (1698, 1172640), (1745, 1141056), (1981, 1005120), (2016, 987670), (2094, 950880), (2240, 888903), (2264, 879480), (2443, 815040), (2520, 790136), (2547, 781760), (2792, 713160), (2830, 703584), (2880, 691369), (3141, 633920), (3360, 592602), (3396, 586320), (3490, 570528), (3962, 502560), (4032, 493835), (4188, 475440), (4245, 469056), (4528, 439740), (4886, 407520), (5040, 395068), (5094, 390880), (5235, 380352), (5584, 356580), (5660, 351792), (5943, 335040), (6282, 316960), (6720, 296301), (6792, 293160), (6980, 285264), (7329, 271680), (7924, 251280), (8376, 237720), (8490, 234528), (9056, 219870), (9772, 203760), (9905, 201024), (10080, 197534), (10188, 195440), (10470, 190176), (11168, 178290), (11320, 175896), (11886, 167520), (12215, 163008), (12564, 158480), (12735, 156352), (13584, 146580), (13960, 142632), (14658, 135840), (15705, 126784), (15848, 125640), (16752, 118860), (16980, 117264), (17829, 111680), (18112, 109935), (19544, 101880), (19810, 100512), (20160, 98767), (20376, 97720), (20940, 95088), (21987, 90560), (22336, 89145), (22640, 87948), (23772, 83760), (24430, 81504), (25128, 79240), (25470, 78176), (27168, 73290), (27920, 71316), (29316, 67920), (29715, 67008), (31410, 63392), (31696, 62820), (33504, 59430), (33960, 58632), (35658, 55840), (36645, 54336), (39088, 50940), (39620, 50256), (40752, 48860), (41880, 47544), (43974, 45280)]