261311700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67003}}^1$

素因数の和:67033

約数の個数: 72

約数和(自身を含む): 814232608

約数和(自身を除く): 552920908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 67003, 134006, 201009, 268012, 335015, 402018, 670030, 804036, 871039, 1005045, 1340060, 1675075, 1742078, 2010090, 2613117, 3350150, 3484156, 4020180, 4355195, 5025225, 5226234, 6700300, 8710390, 10050450, 10452468, 13065585, 17420780, 20100900, 21775975, 26131170, 43551950, 52262340, 65327925, 87103900, 130655850, 261311700]

約数ペア:

[(1, 261311700), (2, 130655850), (3, 87103900), (4, 65327925), (5, 52262340), (6, 43551950), (10, 26131170), (12, 21775975), (13, 20100900), (15, 17420780), (20, 13065585), (25, 10452468), (26, 10050450), (30, 8710390), (39, 6700300), (50, 5226234), (52, 5025225), (60, 4355195), (65, 4020180), (75, 3484156), (78, 3350150), (100, 2613117), (130, 2010090), (150, 1742078), (156, 1675075), (195, 1340060), (260, 1005045), (300, 871039), (325, 804036), (390, 670030), (650, 402018), (780, 335015), (975, 268012), (1300, 201009), (1950, 134006), (3900, 67003)]