64381260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8191}}^1$

素因数の和:8334

約数の個数: 48

約数和(自身を含む): 181665792

約数和(自身を除く): 117284532

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, 8191, 16382, 24573, 32764, 40955, 49146, 81910, 98292, 122865, 163820, 245730, 491460, 1073021, 2146042, 3219063, 4292084, 5365105, 6438126, 10730210, 12876252, 16095315, 21460420, 32190630, 64381260]

約数ペア:

[(1, 64381260), (2, 32190630), (3, 21460420), (4, 16095315), (5, 12876252), (6, 10730210), (10, 6438126), (12, 5365105), (15, 4292084), (20, 3219063), (30, 2146042), (60, 1073021), (131, 491460), (262, 245730), (393, 163820), (524, 122865), (655, 98292), (786, 81910), (1310, 49146), (1572, 40955), (1965, 32764), (2620, 24573), (3930, 16382), (7860, 8191)]