128003456

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 313996800

約数和(自身を除く): 185993344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 73, 76, 103, 112, 128, 133, 146, 152, 206, 224, 266, 292, 304, 412, 448, 511, 532, 584, 608, 721, 824, 896, 1022, 1064, 1168, 1216, 1387, 1442, 1648, 1957, 2044, 2128, 2336, 2432, 2774, 2884, 3296, 3914, 4088, 4256, 4672, 5548, 5768, 6592, 7519, 7828, 8176, 8512, 9344, 9709, 11096, 11536, 13184, 13699, 15038, 15656, 16352, 17024, 19418, 22192, 23072, 27398, 30076, 31312, 32704, 38836, 44384, 46144, 52633, 54796, 60152, 62624, 65408, 77672, 88768, 92288, 105266, 109592, 120304, 125248, 142861, 155344, 177536, 210532, 219184, 240608, 250496, 285722, 310688, 421064, 438368, 481216, 571444, 621376, 842128, 876736, 962432, 1000027, 1142888, 1242752, 1684256, 1753472, 2000054, 2285776, 3368512, 4000108, 4571552, 6737024, 8000216, 9143104, 16000432, 18286208, 32000864, 64001728, 128003456]

約数ペア:

[(1, 128003456), (2, 64001728), (4, 32000864), (7, 18286208), (8, 16000432), (14, 9143104), (16, 8000216), (19, 6737024), (28, 4571552), (32, 4000108), (38, 3368512), (56, 2285776), (64, 2000054), (73, 1753472), (76, 1684256), (103, 1242752), (112, 1142888), (128, 1000027), (133, 962432), (146, 876736), (152, 842128), (206, 621376), (224, 571444), (266, 481216), (292, 438368), (304, 421064), (412, 310688), (448, 285722), (511, 250496), (532, 240608), (584, 219184), (608, 210532), (721, 177536), (824, 155344), (896, 142861), (1022, 125248), (1064, 120304), (1168, 109592), (1216, 105266), (1387, 92288), (1442, 88768), (1648, 77672), (1957, 65408), (2044, 62624), (2128, 60152), (2336, 54796), (2432, 52633), (2774, 46144), (2884, 44384), (3296, 38836), (3914, 32704), (4088, 31312), (4256, 30076), (4672, 27398), (5548, 23072), (5768, 22192), (6592, 19418), (7519, 17024), (7828, 16352), (8176, 15656), (8512, 15038), (9344, 13699), (9709, 13184), (11096, 11536)]