180339712

素因数分解:

$2^{10}\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 88

約数和(自身を含む): 417260480

約数和(自身を除く): 236920768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 181, 224, 256, 278, 362, 448, 512, 556, 724, 896, 973, 1024, 1112, 1267, 1448, 1792, 1946, 2224, 2534, 2896, 3584, 3892, 4448, 5068, 5792, 7168, 7784, 8896, 10136, 11584, 15568, 17792, 20272, 23168, 25159, 31136, 35584, 40544, 46336, 50318, 62272, 71168, 81088, 92672, 100636, 124544, 142336, 162176, 176113, 185344, 201272, 249088, 324352, 352226, 402544, 498176, 648704, 704452, 805088, 996352, 1297408, 1408904, 1610176, 2817808, 3220352, 5635616, 6440704, 11271232, 12881408, 22542464, 25762816, 45084928, 90169856, 180339712]

約数ペア:

[(1, 180339712), (2, 90169856), (4, 45084928), (7, 25762816), (8, 22542464), (14, 12881408), (16, 11271232), (28, 6440704), (32, 5635616), (56, 3220352), (64, 2817808), (112, 1610176), (128, 1408904), (139, 1297408), (181, 996352), (224, 805088), (256, 704452), (278, 648704), (362, 498176), (448, 402544), (512, 352226), (556, 324352), (724, 249088), (896, 201272), (973, 185344), (1024, 176113), (1112, 162176), (1267, 142336), (1448, 124544), (1792, 100636), (1946, 92672), (2224, 81088), (2534, 71168), (2896, 62272), (3584, 50318), (3892, 46336), (4448, 40544), (5068, 35584), (5792, 31136), (7168, 25159), (7784, 23168), (8896, 20272), (10136, 17792), (11584, 15568)]