308696640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 224

約数和(自身を含む): 1137659904

約数和(自身を除く): 828963264

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, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 420, 426, 448, 480, 497, 560, 568, 647, 672, 710, 840, 852, 960, 994, 1065, 1120, 1136, 1294, 1344, 1420, 1491, 1680, 1704, 1941, 1988, 2130, 2240, 2272, 2485, 2588, 2840, 2982, 3235, 3360, 3408, 3882, 3976, 4260, 4529, 4544, 4970, 5176, 5680, 5964, 6470, 6720, 6816, 7455, 7764, 7952, 8520, 9058, 9705, 9940, 10352, 11360, 11928, 12940, 13587, 13632, 14910, 15528, 15904, 17040, 18116, 19410, 19880, 20704, 22645, 22720, 23856, 25880, 27174, 29820, 31056, 31808, 34080, 36232, 38820, 39760, 41408, 45290, 45937, 47712, 51760, 54348, 59640, 62112, 67935, 68160, 72464, 77640, 79520, 90580, 91874, 95424, 103520, 108696, 119280, 124224, 135870, 137811, 144928, 155280, 159040, 181160, 183748, 207040, 217392, 229685, 238560, 271740, 275622, 289856, 310560, 321559, 362320, 367496, 434784, 459370, 477120, 543480, 551244, 621120, 643118, 689055, 724640, 734992, 869568, 918740, 964677, 1086960, 1102488, 1286236, 1378110, 1449280, 1469984, 1607795, 1837480, 1929354, 2173920, 2204976, 2572472, 2756220, 2939968, 3215590, 3674960, 3858708, 4347840, 4409952, 4823385, 5144944, 5512440, 6431180, 7349920, 7717416, 8819904, 9646770, 10289888, 11024880, 12862360, 14699840, 15434832, 19293540, 20579776, 22049760, 25724720, 30869664, 38587080, 44099520, 51449440, 61739328, 77174160, 102898880, 154348320, 308696640]

約数ペア:

[(1, 308696640), (2, 154348320), (3, 102898880), (4, 77174160), (5, 61739328), (6, 51449440), (7, 44099520), (8, 38587080), (10, 30869664), (12, 25724720), (14, 22049760), (15, 20579776), (16, 19293540), (20, 15434832), (21, 14699840), (24, 12862360), (28, 11024880), (30, 10289888), (32, 9646770), (35, 8819904), (40, 7717416), (42, 7349920), (48, 6431180), (56, 5512440), (60, 5144944), (64, 4823385), (70, 4409952), (71, 4347840), (80, 3858708), (84, 3674960), (96, 3215590), (105, 2939968), (112, 2756220), (120, 2572472), (140, 2204976), (142, 2173920), (160, 1929354), (168, 1837480), (192, 1607795), (210, 1469984), (213, 1449280), (224, 1378110), (240, 1286236), (280, 1102488), (284, 1086960), (320, 964677), (336, 918740), (355, 869568), (420, 734992), (426, 724640), (448, 689055), (480, 643118), (497, 621120), (560, 551244), (568, 543480), (647, 477120), (672, 459370), (710, 434784), (840, 367496), (852, 362320), (960, 321559), (994, 310560), (1065, 289856), (1120, 275622), (1136, 271740), (1294, 238560), (1344, 229685), (1420, 217392), (1491, 207040), (1680, 183748), (1704, 181160), (1941, 159040), (1988, 155280), (2130, 144928), (2240, 137811), (2272, 135870), (2485, 124224), (2588, 119280), (2840, 108696), (2982, 103520), (3235, 95424), (3360, 91874), (3408, 90580), (3882, 79520), (3976, 77640), (4260, 72464), (4529, 68160), (4544, 67935), (4970, 62112), (5176, 59640), (5680, 54348), (5964, 51760), (6470, 47712), (6720, 45937), (6816, 45290), (7455, 41408), (7764, 39760), (7952, 38820), (8520, 36232), (9058, 34080), (9705, 31808), (9940, 31056), (10352, 29820), (11360, 27174), (11928, 25880), (12940, 23856), (13587, 22720), (13632, 22645), (14910, 20704), (15528, 19880), (15904, 19410), (17040, 18116)]