215691504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{929}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 638411520

約数和(自身を除く): 422720016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 691, 929, 1382, 1858, 2073, 2764, 2787, 3716, 4146, 4837, 5528, 5574, 6503, 7432, 8292, 9674, 11056, 11148, 13006, 14511, 14864, 16584, 19348, 19509, 22296, 26012, 29022, 33168, 38696, 39018, 44592, 52024, 58044, 77392, 78036, 104048, 116088, 156072, 232176, 312144, 641939, 1283878, 1925817, 2567756, 3851634, 4493573, 5135512, 7703268, 8987146, 10271024, 13480719, 15406536, 17974292, 26961438, 30813072, 35948584, 53922876, 71897168, 107845752, 215691504]

約数ペア:

[(1, 215691504), (2, 107845752), (3, 71897168), (4, 53922876), (6, 35948584), (7, 30813072), (8, 26961438), (12, 17974292), (14, 15406536), (16, 13480719), (21, 10271024), (24, 8987146), (28, 7703268), (42, 5135512), (48, 4493573), (56, 3851634), (84, 2567756), (112, 1925817), (168, 1283878), (336, 641939), (691, 312144), (929, 232176), (1382, 156072), (1858, 116088), (2073, 104048), (2764, 78036), (2787, 77392), (3716, 58044), (4146, 52024), (4837, 44592), (5528, 39018), (5574, 38696), (6503, 33168), (7432, 29022), (8292, 26012), (9674, 22296), (11056, 19509), (11148, 19348), (13006, 16584), (14511, 14864)]