51740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287449}}^1$

素因数の和:287464

約数の個数: 36

約数和(自身を含む): 156947700

約数和(自身を除く): 105206880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287449, 574898, 862347, 1149796, 1437245, 1724694, 2587041, 2874490, 3449388, 4311735, 5174082, 5748980, 8623470, 10348164, 12935205, 17246940, 25870410, 51740820]

約数ペア:

[(1, 51740820), (2, 25870410), (3, 17246940), (4, 12935205), (5, 10348164), (6, 8623470), (9, 5748980), (10, 5174082), (12, 4311735), (15, 3449388), (18, 2874490), (20, 2587041), (30, 1724694), (36, 1437245), (45, 1149796), (60, 862347), (90, 574898), (180, 287449)]