8679160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 22579200

約数和(自身を除く): 13900040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 223, 278, 280, 446, 556, 695, 892, 973, 1112, 1115, 1390, 1561, 1784, 1946, 2230, 2780, 3122, 3892, 4460, 4865, 5560, 6244, 7784, 7805, 8920, 9730, 12488, 15610, 19460, 30997, 31220, 38920, 61994, 62440, 123988, 154985, 216979, 247976, 309970, 433958, 619940, 867916, 1084895, 1239880, 1735832, 2169790, 4339580, 8679160]

約数ペア:

[(1, 8679160), (2, 4339580), (4, 2169790), (5, 1735832), (7, 1239880), (8, 1084895), (10, 867916), (14, 619940), (20, 433958), (28, 309970), (35, 247976), (40, 216979), (56, 154985), (70, 123988), (139, 62440), (140, 61994), (223, 38920), (278, 31220), (280, 30997), (446, 19460), (556, 15610), (695, 12488), (892, 9730), (973, 8920), (1112, 7805), (1115, 7784), (1390, 6244), (1561, 5560), (1784, 4865), (1946, 4460), (2230, 3892), (2780, 3122)]