721883904

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2930

約数の個数: 144

約数和(自身を含む): 2243232768

約数和(自身を除く): 1521348864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 64, 84, 94, 96, 112, 128, 141, 168, 188, 192, 224, 256, 282, 329, 336, 376, 384, 448, 564, 658, 672, 752, 768, 896, 987, 1128, 1316, 1344, 1504, 1792, 1974, 2256, 2632, 2688, 2857, 3008, 3948, 4512, 5264, 5376, 5714, 6016, 7896, 8571, 9024, 10528, 11428, 12032, 15792, 17142, 18048, 19999, 21056, 22856, 31584, 34284, 36096, 39998, 42112, 45712, 59997, 63168, 68568, 79996, 84224, 91424, 119994, 126336, 134279, 137136, 159992, 182848, 239988, 252672, 268558, 274272, 319984, 365696, 402837, 479976, 537116, 548544, 639968, 731392, 805674, 939953, 959952, 1074232, 1097088, 1279936, 1611348, 1879906, 1919904, 2148464, 2194176, 2559872, 2819859, 3222696, 3759812, 3839808, 4296928, 5119744, 5639718, 6445392, 7519624, 7679616, 8593856, 11279436, 12890784, 15039248, 15359232, 17187712, 22558872, 25781568, 30078496, 34375424, 45117744, 51563136, 60156992, 90235488, 103126272, 120313984, 180470976, 240627968, 360941952, 721883904]

約数ペア:

[(1, 721883904), (2, 360941952), (3, 240627968), (4, 180470976), (6, 120313984), (7, 103126272), (8, 90235488), (12, 60156992), (14, 51563136), (16, 45117744), (21, 34375424), (24, 30078496), (28, 25781568), (32, 22558872), (42, 17187712), (47, 15359232), (48, 15039248), (56, 12890784), (64, 11279436), (84, 8593856), (94, 7679616), (96, 7519624), (112, 6445392), (128, 5639718), (141, 5119744), (168, 4296928), (188, 3839808), (192, 3759812), (224, 3222696), (256, 2819859), (282, 2559872), (329, 2194176), (336, 2148464), (376, 1919904), (384, 1879906), (448, 1611348), (564, 1279936), (658, 1097088), (672, 1074232), (752, 959952), (768, 939953), (896, 805674), (987, 731392), (1128, 639968), (1316, 548544), (1344, 537116), (1504, 479976), (1792, 402837), (1974, 365696), (2256, 319984), (2632, 274272), (2688, 268558), (2857, 252672), (3008, 239988), (3948, 182848), (4512, 159992), (5264, 137136), (5376, 134279), (5714, 126336), (6016, 119994), (7896, 91424), (8571, 84224), (9024, 79996), (10528, 68568), (11428, 63168), (12032, 59997), (15792, 45712), (17142, 42112), (18048, 39998), (19999, 36096), (21056, 34284), (22856, 31584)]