254970240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 256

約数和(自身を含む): 947082240

約数和(自身を除く): 692112000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 128, 140, 160, 168, 183, 192, 210, 224, 240, 244, 280, 305, 311, 320, 336, 366, 384, 420, 427, 448, 480, 488, 560, 610, 622, 640, 672, 732, 840, 854, 896, 915, 933, 960, 976, 1120, 1220, 1244, 1281, 1344, 1464, 1555, 1680, 1708, 1830, 1866, 1920, 1952, 2135, 2177, 2240, 2440, 2488, 2562, 2688, 2928, 3110, 3360, 3416, 3660, 3732, 3904, 4270, 4354, 4480, 4665, 4880, 4976, 5124, 5856, 6220, 6405, 6531, 6720, 6832, 7320, 7464, 7808, 8540, 8708, 9330, 9760, 9952, 10248, 10885, 11712, 12440, 12810, 13062, 13440, 13664, 14640, 14928, 17080, 17416, 18660, 18971, 19520, 19904, 20496, 21770, 23424, 24880, 25620, 26124, 27328, 29280, 29856, 32655, 34160, 34832, 37320, 37942, 39040, 39808, 40992, 43540, 49760, 51240, 52248, 54656, 56913, 58560, 59712, 65310, 68320, 69664, 74640, 75884, 81984, 87080, 94855, 99520, 102480, 104496, 113826, 117120, 119424, 130620, 132797, 136640, 139328, 149280, 151768, 163968, 174160, 189710, 199040, 204960, 208992, 227652, 261240, 265594, 273280, 278656, 284565, 298560, 303536, 348320, 379420, 398391, 409920, 417984, 455304, 522480, 531188, 569130, 597120, 607072, 663985, 696640, 758840, 796782, 819840, 835968, 910608, 1044960, 1062376, 1138260, 1214144, 1327970, 1393280, 1517680, 1593564, 1821216, 1991955, 2089920, 2124752, 2276520, 2428288, 2655940, 3035360, 3187128, 3642432, 3983910, 4179840, 4249504, 4553040, 5311880, 6070720, 6374256, 7284864, 7967820, 8499008, 9106080, 10623760, 12141440, 12748512, 15935640, 16998016, 18212160, 21247520, 25497024, 31871280, 36424320, 42495040, 50994048, 63742560, 84990080, 127485120, 254970240]

約数ペア:

[(1, 254970240), (2, 127485120), (3, 84990080), (4, 63742560), (5, 50994048), (6, 42495040), (7, 36424320), (8, 31871280), (10, 25497024), (12, 21247520), (14, 18212160), (15, 16998016), (16, 15935640), (20, 12748512), (21, 12141440), (24, 10623760), (28, 9106080), (30, 8499008), (32, 7967820), (35, 7284864), (40, 6374256), (42, 6070720), (48, 5311880), (56, 4553040), (60, 4249504), (61, 4179840), (64, 3983910), (70, 3642432), (80, 3187128), (84, 3035360), (96, 2655940), (105, 2428288), (112, 2276520), (120, 2124752), (122, 2089920), (128, 1991955), (140, 1821216), (160, 1593564), (168, 1517680), (183, 1393280), (192, 1327970), (210, 1214144), (224, 1138260), (240, 1062376), (244, 1044960), (280, 910608), (305, 835968), (311, 819840), (320, 796782), (336, 758840), (366, 696640), (384, 663985), (420, 607072), (427, 597120), (448, 569130), (480, 531188), (488, 522480), (560, 455304), (610, 417984), (622, 409920), (640, 398391), (672, 379420), (732, 348320), (840, 303536), (854, 298560), (896, 284565), (915, 278656), (933, 273280), (960, 265594), (976, 261240), (1120, 227652), (1220, 208992), (1244, 204960), (1281, 199040), (1344, 189710), (1464, 174160), (1555, 163968), (1680, 151768), (1708, 149280), (1830, 139328), (1866, 136640), (1920, 132797), (1952, 130620), (2135, 119424), (2177, 117120), (2240, 113826), (2440, 104496), (2488, 102480), (2562, 99520), (2688, 94855), (2928, 87080), (3110, 81984), (3360, 75884), (3416, 74640), (3660, 69664), (3732, 68320), (3904, 65310), (4270, 59712), (4354, 58560), (4480, 56913), (4665, 54656), (4880, 52248), (4976, 51240), (5124, 49760), (5856, 43540), (6220, 40992), (6405, 39808), (6531, 39040), (6720, 37942), (6832, 37320), (7320, 34832), (7464, 34160), (7808, 32655), (8540, 29856), (8708, 29280), (9330, 27328), (9760, 26124), (9952, 25620), (10248, 24880), (10885, 23424), (11712, 21770), (12440, 20496), (12810, 19904), (13062, 19520), (13440, 18971), (13664, 18660), (14640, 17416), (14928, 17080)]