1356640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 1924400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 139, 160, 244, 278, 305, 488, 556, 610, 695, 976, 1112, 1220, 1390, 1952, 2224, 2440, 2780, 4448, 4880, 5560, 8479, 9760, 11120, 16958, 22240, 33916, 42395, 67832, 84790, 135664, 169580, 271328, 339160, 678320, 1356640]

約数ペア:

[(1, 1356640), (2, 678320), (4, 339160), (5, 271328), (8, 169580), (10, 135664), (16, 84790), (20, 67832), (32, 42395), (40, 33916), (61, 22240), (80, 16958), (122, 11120), (139, 9760), (160, 8479), (244, 5560), (278, 4880), (305, 4448), (488, 2780), (556, 2440), (610, 2224), (695, 1952), (976, 1390), (1112, 1220)]