78906540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10039}}^1$

素因数の和:10182

約数の個数: 48

約数和(自身を含む): 222647040

約数和(自身を除く): 143740500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 10039, 20078, 30117, 40156, 50195, 60234, 100390, 120468, 150585, 200780, 301170, 602340, 1315109, 2630218, 3945327, 5260436, 6575545, 7890654, 13151090, 15781308, 19726635, 26302180, 39453270, 78906540]

約数ペア:

[(1, 78906540), (2, 39453270), (3, 26302180), (4, 19726635), (5, 15781308), (6, 13151090), (10, 7890654), (12, 6575545), (15, 5260436), (20, 3945327), (30, 2630218), (60, 1315109), (131, 602340), (262, 301170), (393, 200780), (524, 150585), (655, 120468), (786, 100390), (1310, 60234), (1572, 50195), (1965, 40156), (2620, 30117), (3930, 20078), (7860, 10039)]