64880294040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{180223039}}^1$

素因数の和:180223056

約数の個数: 48

約数和(自身を含む): 210860956800

約数和(自身を除く): 145980662760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 180223039, 360446078, 540669117, 720892156, 901115195, 1081338234, 1441784312, 1622007351, 1802230390, 2162676468, 2703345585, 3244014702, 3604460780, 4325352936, 5406691170, 6488029404, 7208921560, 8110036755, 10813382340, 12976058808, 16220073510, 21626764680, 32440147020, 64880294040]

約数ペア:

[(1, 64880294040), (2, 32440147020), (3, 21626764680), (4, 16220073510), (5, 12976058808), (6, 10813382340), (8, 8110036755), (9, 7208921560), (10, 6488029404), (12, 5406691170), (15, 4325352936), (18, 3604460780), (20, 3244014702), (24, 2703345585), (30, 2162676468), (36, 1802230390), (40, 1622007351), (45, 1441784312), (60, 1081338234), (72, 901115195), (90, 720892156), (120, 540669117), (180, 360446078), (360, 180223039)]