201438720

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1285

約数の個数: 240

約数和(自身を含む): 797940000

約数和(自身を除く): 596501280

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, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1249, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2498, 2520, 2560, 2688, 2880, 3360, 3584, 3747, 3840, 4032, 4480, 4608, 4996, 5040, 5376, 5760, 6245, 6720, 7494, 7680, 8064, 8743, 8960, 9992, 10080, 10752, 11241, 11520, 12490, 13440, 14988, 16128, 17486, 17920, 18735, 19984, 20160, 22482, 23040, 24980, 26229, 26880, 29976, 32256, 34972, 37470, 39968, 40320, 43715, 44964, 49960, 52458, 53760, 56205, 59952, 69944, 74940, 78687, 79936, 80640, 87430, 89928, 99920, 104916, 112410, 119904, 131145, 139888, 149880, 157374, 159872, 161280, 174860, 179856, 199840, 209832, 224820, 239808, 262290, 279776, 299760, 314748, 319744, 349720, 359712, 393435, 399680, 419664, 449640, 479616, 524580, 559552, 599520, 629496, 639488, 699440, 719424, 786870, 799360, 839328, 899280, 959232, 1049160, 1119104, 1199040, 1258992, 1398880, 1438848, 1573740, 1598720, 1678656, 1798560, 1918464, 2098320, 2238208, 2398080, 2517984, 2797760, 2877696, 3147480, 3197440, 3357312, 3597120, 4196640, 4476416, 4796160, 5035968, 5595520, 5755392, 6294960, 6714624, 7194240, 8393280, 9592320, 10071936, 11191040, 12589920, 13429248, 14388480, 16786560, 20143872, 22382080, 25179840, 28776960, 33573120, 40287744, 50359680, 67146240, 100719360, 201438720]

約数ペア:

[(1, 201438720), (2, 100719360), (3, 67146240), (4, 50359680), (5, 40287744), (6, 33573120), (7, 28776960), (8, 25179840), (9, 22382080), (10, 20143872), (12, 16786560), (14, 14388480), (15, 13429248), (16, 12589920), (18, 11191040), (20, 10071936), (21, 9592320), (24, 8393280), (28, 7194240), (30, 6714624), (32, 6294960), (35, 5755392), (36, 5595520), (40, 5035968), (42, 4796160), (45, 4476416), (48, 4196640), (56, 3597120), (60, 3357312), (63, 3197440), (64, 3147480), (70, 2877696), (72, 2797760), (80, 2517984), (84, 2398080), (90, 2238208), (96, 2098320), (105, 1918464), (112, 1798560), (120, 1678656), (126, 1598720), (128, 1573740), (140, 1438848), (144, 1398880), (160, 1258992), (168, 1199040), (180, 1119104), (192, 1049160), (210, 959232), (224, 899280), (240, 839328), (252, 799360), (256, 786870), (280, 719424), (288, 699440), (315, 639488), (320, 629496), (336, 599520), (360, 559552), (384, 524580), (420, 479616), (448, 449640), (480, 419664), (504, 399680), (512, 393435), (560, 359712), (576, 349720), (630, 319744), (640, 314748), (672, 299760), (720, 279776), (768, 262290), (840, 239808), (896, 224820), (960, 209832), (1008, 199840), (1120, 179856), (1152, 174860), (1249, 161280), (1260, 159872), (1280, 157374), (1344, 149880), (1440, 139888), (1536, 131145), (1680, 119904), (1792, 112410), (1920, 104916), (2016, 99920), (2240, 89928), (2304, 87430), (2498, 80640), (2520, 79936), (2560, 78687), (2688, 74940), (2880, 69944), (3360, 59952), (3584, 56205), (3747, 53760), (3840, 52458), (4032, 49960), (4480, 44964), (4608, 43715), (4996, 40320), (5040, 39968), (5376, 37470), (5760, 34972), (6245, 32256), (6720, 29976), (7494, 26880), (7680, 26229), (8064, 24980), (8743, 23040), (8960, 22482), (9992, 20160), (10080, 19984), (10752, 18735), (11241, 17920), (11520, 17486), (12490, 16128), (13440, 14988)]