1987735680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{16433}}^1$

素因数の和:16468

約数の個数: 256

約数和(自身を含む): 8046086400

約数和(自身を除く): 6058350720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 16433, 17280, 20160, 24192, 30240, 32866, 40320, 49299, 60480, 65732, 82165, 98598, 115031, 120960, 131464, 147897, 164330, 197196, 230062, 246495, 262928, 295794, 328660, 345093, 394392, 443691, 460124, 492990, 525856, 575155, 591588, 657320, 690186, 739485, 788784, 887382, 920248, 985980, 1035279, 1051712, 1150310, 1183176, 1314640, 1380372, 1478970, 1577568, 1725465, 1774764, 1840496, 1971960, 2070558, 2103424, 2218455, 2300620, 2366352, 2629280, 2760744, 2957940, 3105837, 3155136, 3450930, 3549528, 3680992, 3943920, 4141116, 4436910, 4601240, 4732704, 5176395, 5258560, 5521488, 5915880, 6211674, 6310272, 6901860, 7099056, 7361984, 7887840, 8282232, 8873820, 9202480, 9465408, 10352790, 10517120, 11042976, 11831760, 12423348, 13803720, 14198112, 14723968, 15529185, 15775680, 16564464, 17747640, 18404960, 18930816, 20705580, 22085952, 23663520, 24846696, 27607440, 28396224, 31058370, 31551360, 33128928, 35495280, 36809920, 41411160, 44171904, 47327040, 49693392, 55214880, 56792448, 62116740, 66257856, 70990560, 73619840, 82822320, 94654080, 99386784, 110429760, 124233480, 132515712, 141981120, 165644640, 198773568, 220859520, 248466960, 283962240, 331289280, 397547136, 496933920, 662578560, 993867840, 1987735680]

約数ペア:

[(1, 1987735680), (2, 993867840), (3, 662578560), (4, 496933920), (5, 397547136), (6, 331289280), (7, 283962240), (8, 248466960), (9, 220859520), (10, 198773568), (12, 165644640), (14, 141981120), (15, 132515712), (16, 124233480), (18, 110429760), (20, 99386784), (21, 94654080), (24, 82822320), (27, 73619840), (28, 70990560), (30, 66257856), (32, 62116740), (35, 56792448), (36, 55214880), (40, 49693392), (42, 47327040), (45, 44171904), (48, 41411160), (54, 36809920), (56, 35495280), (60, 33128928), (63, 31551360), (64, 31058370), (70, 28396224), (72, 27607440), (80, 24846696), (84, 23663520), (90, 22085952), (96, 20705580), (105, 18930816), (108, 18404960), (112, 17747640), (120, 16564464), (126, 15775680), (128, 15529185), (135, 14723968), (140, 14198112), (144, 13803720), (160, 12423348), (168, 11831760), (180, 11042976), (189, 10517120), (192, 10352790), (210, 9465408), (216, 9202480), (224, 8873820), (240, 8282232), (252, 7887840), (270, 7361984), (280, 7099056), (288, 6901860), (315, 6310272), (320, 6211674), (336, 5915880), (360, 5521488), (378, 5258560), (384, 5176395), (420, 4732704), (432, 4601240), (448, 4436910), (480, 4141116), (504, 3943920), (540, 3680992), (560, 3549528), (576, 3450930), (630, 3155136), (640, 3105837), (672, 2957940), (720, 2760744), (756, 2629280), (840, 2366352), (864, 2300620), (896, 2218455), (945, 2103424), (960, 2070558), (1008, 1971960), (1080, 1840496), (1120, 1774764), (1152, 1725465), (1260, 1577568), (1344, 1478970), (1440, 1380372), (1512, 1314640), (1680, 1183176), (1728, 1150310), (1890, 1051712), (1920, 1035279), (2016, 985980), (2160, 920248), (2240, 887382), (2520, 788784), (2688, 739485), (2880, 690186), (3024, 657320), (3360, 591588), (3456, 575155), (3780, 525856), (4032, 492990), (4320, 460124), (4480, 443691), (5040, 394392), (5760, 345093), (6048, 328660), (6720, 295794), (7560, 262928), (8064, 246495), (8640, 230062), (10080, 197196), (12096, 164330), (13440, 147897), (15120, 131464), (16433, 120960), (17280, 115031), (20160, 98598), (24192, 82165), (30240, 65732), (32866, 60480), (40320, 49299)]