640943616

素因数分解:

$2^9\times 3^1\times {\mathrm{29}}^1\times {\mathrm{14389}}^1$

素因数の和:14439

約数の個数: 80

約数和(自身を含む): 1766516400

約数和(自身を除く): 1125572784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 512, 696, 768, 928, 1392, 1536, 1856, 2784, 3712, 5568, 7424, 11136, 14389, 14848, 22272, 28778, 43167, 44544, 57556, 86334, 115112, 172668, 230224, 345336, 417281, 460448, 690672, 834562, 920896, 1251843, 1381344, 1669124, 1841792, 2503686, 2762688, 3338248, 3683584, 5007372, 5525376, 6676496, 7367168, 10014744, 11050752, 13352992, 20029488, 22101504, 26705984, 40058976, 53411968, 80117952, 106823936, 160235904, 213647872, 320471808, 640943616]

約数ペア:

[(1, 640943616), (2, 320471808), (3, 213647872), (4, 160235904), (6, 106823936), (8, 80117952), (12, 53411968), (16, 40058976), (24, 26705984), (29, 22101504), (32, 20029488), (48, 13352992), (58, 11050752), (64, 10014744), (87, 7367168), (96, 6676496), (116, 5525376), (128, 5007372), (174, 3683584), (192, 3338248), (232, 2762688), (256, 2503686), (348, 1841792), (384, 1669124), (464, 1381344), (512, 1251843), (696, 920896), (768, 834562), (928, 690672), (1392, 460448), (1536, 417281), (1856, 345336), (2784, 230224), (3712, 172668), (5568, 115112), (7424, 86334), (11136, 57556), (14389, 44544), (14848, 43167), (22272, 28778)]