728818944

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 2290081248

約数和(自身を除く): 1561262304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 107, 112, 128, 147, 168, 181, 192, 196, 214, 224, 256, 294, 321, 336, 362, 384, 392, 428, 448, 543, 588, 642, 672, 724, 749, 768, 784, 856, 896, 1086, 1176, 1267, 1284, 1344, 1448, 1498, 1568, 1712, 1792, 2172, 2247, 2352, 2534, 2568, 2688, 2896, 2996, 3136, 3424, 3801, 4344, 4494, 4704, 5068, 5136, 5243, 5376, 5792, 5992, 6272, 6848, 7602, 8688, 8869, 8988, 9408, 10136, 10272, 10486, 11584, 11984, 12544, 13696, 15204, 15729, 17376, 17738, 17976, 18816, 19367, 20272, 20544, 20972, 23168, 23968, 26607, 27392, 30408, 31458, 34752, 35476, 35952, 37632, 38734, 40544, 41088, 41944, 46336, 47936, 53214, 58101, 60816, 62916, 69504, 70952, 71904, 77468, 81088, 82176, 83888, 95872, 106428, 116202, 121632, 125832, 135569, 139008, 141904, 143808, 154936, 162176, 167776, 191744, 212856, 232404, 243264, 251664, 271138, 283808, 287616, 309872, 324352, 335552, 406707, 425712, 464808, 486528, 503328, 542276, 567616, 575232, 619744, 671104, 813414, 851424, 929616, 948983, 973056, 1006656, 1084552, 1135232, 1239488, 1342208, 1626828, 1702848, 1859232, 1897966, 2013312, 2169104, 2270464, 2478976, 2846949, 3253656, 3405696, 3718464, 3795932, 4026624, 4338208, 4957952, 5693898, 6507312, 6811392, 7436928, 7591864, 8676416, 11387796, 13014624, 14873856, 15183728, 17352832, 22775592, 26029248, 30367456, 34705664, 45551184, 52058496, 60734912, 91102368, 104116992, 121469824, 182204736, 242939648, 364409472, 728818944]

約数ペア:

[(1, 728818944), (2, 364409472), (3, 242939648), (4, 182204736), (6, 121469824), (7, 104116992), (8, 91102368), (12, 60734912), (14, 52058496), (16, 45551184), (21, 34705664), (24, 30367456), (28, 26029248), (32, 22775592), (42, 17352832), (48, 15183728), (49, 14873856), (56, 13014624), (64, 11387796), (84, 8676416), (96, 7591864), (98, 7436928), (107, 6811392), (112, 6507312), (128, 5693898), (147, 4957952), (168, 4338208), (181, 4026624), (192, 3795932), (196, 3718464), (214, 3405696), (224, 3253656), (256, 2846949), (294, 2478976), (321, 2270464), (336, 2169104), (362, 2013312), (384, 1897966), (392, 1859232), (428, 1702848), (448, 1626828), (543, 1342208), (588, 1239488), (642, 1135232), (672, 1084552), (724, 1006656), (749, 973056), (768, 948983), (784, 929616), (856, 851424), (896, 813414), (1086, 671104), (1176, 619744), (1267, 575232), (1284, 567616), (1344, 542276), (1448, 503328), (1498, 486528), (1568, 464808), (1712, 425712), (1792, 406707), (2172, 335552), (2247, 324352), (2352, 309872), (2534, 287616), (2568, 283808), (2688, 271138), (2896, 251664), (2996, 243264), (3136, 232404), (3424, 212856), (3801, 191744), (4344, 167776), (4494, 162176), (4704, 154936), (5068, 143808), (5136, 141904), (5243, 139008), (5376, 135569), (5792, 125832), (5992, 121632), (6272, 116202), (6848, 106428), (7602, 95872), (8688, 83888), (8869, 82176), (8988, 81088), (9408, 77468), (10136, 71904), (10272, 70952), (10486, 69504), (11584, 62916), (11984, 60816), (12544, 58101), (13696, 53214), (15204, 47936), (15729, 46336), (17376, 41944), (17738, 41088), (17976, 40544), (18816, 38734), (19367, 37632), (20272, 35952), (20544, 35476), (20972, 34752), (23168, 31458), (23968, 30408), (26607, 27392)]