31447860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4001}}^1$

素因数の和:4144

約数の個数: 48

約数和(自身を含む): 88748352

約数和(自身を除く): 57300492

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, 4001, 7860, 8002, 12003, 16004, 20005, 24006, 40010, 48012, 60015, 80020, 120030, 240060, 524131, 1048262, 1572393, 2096524, 2620655, 3144786, 5241310, 6289572, 7861965, 10482620, 15723930, 31447860]

約数ペア:

[(1, 31447860), (2, 15723930), (3, 10482620), (4, 7861965), (5, 6289572), (6, 5241310), (10, 3144786), (12, 2620655), (15, 2096524), (20, 1572393), (30, 1048262), (60, 524131), (131, 240060), (262, 120030), (393, 80020), (524, 60015), (655, 48012), (786, 40010), (1310, 24006), (1572, 20005), (1965, 16004), (2620, 12003), (3930, 8002), (4001, 7860)]