31719520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 86704128

約数和(自身を除く): 54984608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 223, 224, 254, 280, 446, 508, 560, 635, 889, 892, 1016, 1115, 1120, 1270, 1561, 1778, 1784, 2032, 2230, 2540, 3122, 3556, 3568, 4064, 4445, 4460, 5080, 6244, 7112, 7136, 7805, 8890, 8920, 10160, 12488, 14224, 15610, 17780, 17840, 20320, 24976, 28321, 28448, 31220, 35560, 35680, 49952, 56642, 62440, 71120, 113284, 124880, 141605, 142240, 198247, 226568, 249760, 283210, 396494, 453136, 566420, 792988, 906272, 991235, 1132840, 1585976, 1982470, 2265680, 3171952, 3964940, 4531360, 6343904, 7929880, 15859760, 31719520]

約数ペア:

[(1, 31719520), (2, 15859760), (4, 7929880), (5, 6343904), (7, 4531360), (8, 3964940), (10, 3171952), (14, 2265680), (16, 1982470), (20, 1585976), (28, 1132840), (32, 991235), (35, 906272), (40, 792988), (56, 566420), (70, 453136), (80, 396494), (112, 283210), (127, 249760), (140, 226568), (160, 198247), (223, 142240), (224, 141605), (254, 124880), (280, 113284), (446, 71120), (508, 62440), (560, 56642), (635, 49952), (889, 35680), (892, 35560), (1016, 31220), (1115, 28448), (1120, 28321), (1270, 24976), (1561, 20320), (1778, 17840), (1784, 17780), (2032, 15610), (2230, 14224), (2540, 12488), (3122, 10160), (3556, 8920), (3568, 8890), (4064, 7805), (4445, 7136), (4460, 7112), (5080, 6244)]