15691719720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{998201}}^1$

素因数の和:998346

約数の個数: 64

約数和(自身を含む): 47434559040

約数和(自身を除く): 31742839320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 998201, 1996402, 2994603, 3992804, 4991005, 5989206, 7985608, 9982010, 11978412, 14973015, 19964020, 23956824, 29946030, 39928040, 59892060, 119784120, 130764331, 261528662, 392292993, 523057324, 653821655, 784585986, 1046114648, 1307643310, 1569171972, 1961464965, 2615286620, 3138343944, 3922929930, 5230573240, 7845859860, 15691719720]

約数ペア:

[(1, 15691719720), (2, 7845859860), (3, 5230573240), (4, 3922929930), (5, 3138343944), (6, 2615286620), (8, 1961464965), (10, 1569171972), (12, 1307643310), (15, 1046114648), (20, 784585986), (24, 653821655), (30, 523057324), (40, 392292993), (60, 261528662), (120, 130764331), (131, 119784120), (262, 59892060), (393, 39928040), (524, 29946030), (655, 23956824), (786, 19964020), (1048, 14973015), (1310, 11978412), (1572, 9982010), (1965, 7985608), (2620, 5989206), (3144, 4991005), (3930, 3992804), (5240, 2994603), (7860, 1996402), (15720, 998201)]