157357984

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 396373824

約数和(自身を除く): 239015840

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 43, 56, 62, 68, 86, 112, 119, 124, 136, 172, 217, 224, 238, 248, 272, 301, 344, 434, 476, 496, 527, 544, 602, 688, 731, 868, 952, 961, 992, 1054, 1204, 1333, 1376, 1462, 1736, 1904, 1922, 2108, 2408, 2666, 2924, 3472, 3689, 3808, 3844, 4216, 4816, 5117, 5332, 5848, 6727, 6944, 7378, 7688, 8432, 9331, 9632, 10234, 10664, 11696, 13454, 14756, 15376, 16337, 16864, 18662, 20468, 21328, 22661, 23392, 26908, 29512, 30752, 32674, 37324, 40936, 41323, 42656, 45322, 53816, 59024, 65348, 74648, 81872, 82646, 90644, 107632, 114359, 118048, 130696, 149296, 158627, 163744, 165292, 181288, 215264, 228718, 261392, 289261, 298592, 317254, 330584, 362576, 457436, 522784, 578522, 634508, 661168, 702491, 725152, 914872, 1157044, 1269016, 1322336, 1404982, 1829744, 2314088, 2538032, 2809964, 3659488, 4628176, 4917437, 5076064, 5619928, 9256352, 9834874, 11239856, 19669748, 22479712, 39339496, 78678992, 157357984]

約数ペア:

[(1, 157357984), (2, 78678992), (4, 39339496), (7, 22479712), (8, 19669748), (14, 11239856), (16, 9834874), (17, 9256352), (28, 5619928), (31, 5076064), (32, 4917437), (34, 4628176), (43, 3659488), (56, 2809964), (62, 2538032), (68, 2314088), (86, 1829744), (112, 1404982), (119, 1322336), (124, 1269016), (136, 1157044), (172, 914872), (217, 725152), (224, 702491), (238, 661168), (248, 634508), (272, 578522), (301, 522784), (344, 457436), (434, 362576), (476, 330584), (496, 317254), (527, 298592), (544, 289261), (602, 261392), (688, 228718), (731, 215264), (868, 181288), (952, 165292), (961, 163744), (992, 158627), (1054, 149296), (1204, 130696), (1333, 118048), (1376, 114359), (1462, 107632), (1736, 90644), (1904, 82646), (1922, 81872), (2108, 74648), (2408, 65348), (2666, 59024), (2924, 53816), (3472, 45322), (3689, 42656), (3808, 41323), (3844, 40936), (4216, 37324), (4816, 32674), (5117, 30752), (5332, 29512), (5848, 26908), (6727, 23392), (6944, 22661), (7378, 21328), (7688, 20468), (8432, 18662), (9331, 16864), (9632, 16337), (10234, 15376), (10664, 14756), (11696, 13454)]