320464920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 983067840

約数和(自身を除く): 662602920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 137, 193, 202, 274, 303, 386, 404, 411, 505, 548, 579, 606, 685, 772, 808, 822, 965, 1010, 1096, 1158, 1212, 1370, 1515, 1544, 1644, 1930, 2020, 2055, 2316, 2424, 2740, 2895, 3030, 3288, 3860, 4040, 4110, 4632, 5480, 5790, 6060, 7720, 8220, 11580, 12120, 13837, 16440, 19493, 23160, 26441, 27674, 38986, 41511, 52882, 55348, 58479, 69185, 77972, 79323, 83022, 97465, 105764, 110696, 116958, 132205, 138370, 155944, 158646, 166044, 194930, 207555, 211528, 233916, 264410, 276740, 292395, 317292, 332088, 389860, 396615, 415110, 467832, 528820, 553480, 584790, 634584, 779720, 793230, 830220, 1057640, 1169580, 1586460, 1660440, 2339160, 2670541, 3172920, 5341082, 8011623, 10682164, 13352705, 16023246, 21364328, 26705410, 32046492, 40058115, 53410820, 64092984, 80116230, 106821640, 160232460, 320464920]

約数ペア:

[(1, 320464920), (2, 160232460), (3, 106821640), (4, 80116230), (5, 64092984), (6, 53410820), (8, 40058115), (10, 32046492), (12, 26705410), (15, 21364328), (20, 16023246), (24, 13352705), (30, 10682164), (40, 8011623), (60, 5341082), (101, 3172920), (120, 2670541), (137, 2339160), (193, 1660440), (202, 1586460), (274, 1169580), (303, 1057640), (386, 830220), (404, 793230), (411, 779720), (505, 634584), (548, 584790), (579, 553480), (606, 528820), (685, 467832), (772, 415110), (808, 396615), (822, 389860), (965, 332088), (1010, 317292), (1096, 292395), (1158, 276740), (1212, 264410), (1370, 233916), (1515, 211528), (1544, 207555), (1644, 194930), (1930, 166044), (2020, 158646), (2055, 155944), (2316, 138370), (2424, 132205), (2740, 116958), (2895, 110696), (3030, 105764), (3288, 97465), (3860, 83022), (4040, 79323), (4110, 77972), (4632, 69185), (5480, 58479), (5790, 55348), (6060, 52882), (7720, 41511), (8220, 38986), (11580, 27674), (12120, 26441), (13837, 23160), (16440, 19493)]