128762520

素因数分解:

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

素因数の和:8336

約数の個数: 64

約数和(自身を含む): 389283840

約数和(自身を除く): 260521320

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, 8191, 15720, 16382, 24573, 32764, 40955, 49146, 65528, 81910, 98292, 122865, 163820, 196584, 245730, 327640, 491460, 982920, 1073021, 2146042, 3219063, 4292084, 5365105, 6438126, 8584168, 10730210, 12876252, 16095315, 21460420, 25752504, 32190630, 42920840, 64381260, 128762520]

約数ペア:

[(1, 128762520), (2, 64381260), (3, 42920840), (4, 32190630), (5, 25752504), (6, 21460420), (8, 16095315), (10, 12876252), (12, 10730210), (15, 8584168), (20, 6438126), (24, 5365105), (30, 4292084), (40, 3219063), (60, 2146042), (120, 1073021), (131, 982920), (262, 491460), (393, 327640), (524, 245730), (655, 196584), (786, 163820), (1048, 122865), (1310, 98292), (1572, 81910), (1965, 65528), (2620, 49146), (3144, 40955), (3930, 32764), (5240, 24573), (7860, 16382), (8191, 15720)]