1569394520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{1217}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 3579750720

約数和(自身を除く): 2010356200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 313, 412, 515, 626, 824, 1030, 1217, 1252, 1565, 2060, 2434, 2504, 3130, 4120, 4868, 6085, 6260, 9736, 12170, 12520, 24340, 32239, 48680, 64478, 125351, 128956, 161195, 250702, 257912, 322390, 380921, 501404, 626755, 644780, 761842, 1002808, 1253510, 1289560, 1523684, 1904605, 2507020, 3047368, 3809210, 5014040, 7618420, 15236840, 39234863, 78469726, 156939452, 196174315, 313878904, 392348630, 784697260, 1569394520]

約数ペア:

[(1, 1569394520), (2, 784697260), (4, 392348630), (5, 313878904), (8, 196174315), (10, 156939452), (20, 78469726), (40, 39234863), (103, 15236840), (206, 7618420), (313, 5014040), (412, 3809210), (515, 3047368), (626, 2507020), (824, 1904605), (1030, 1523684), (1217, 1289560), (1252, 1253510), (1565, 1002808), (2060, 761842), (2434, 644780), (2504, 626755), (3130, 501404), (4120, 380921), (4868, 322390), (6085, 257912), (6260, 250702), (9736, 161195), (12170, 128956), (12520, 125351), (24340, 64478), (32239, 48680)]