28108260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156157}}^1$

素因数の和:156172

約数の個数: 36

約数和(自身を含む): 85262268

約数和(自身を除く): 57154008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156157, 312314, 468471, 624628, 780785, 936942, 1405413, 1561570, 1873884, 2342355, 2810826, 3123140, 4684710, 5621652, 7027065, 9369420, 14054130, 28108260]

約数ペア:

[(1, 28108260), (2, 14054130), (3, 9369420), (4, 7027065), (5, 5621652), (6, 4684710), (9, 3123140), (10, 2810826), (12, 2342355), (15, 1873884), (18, 1561570), (20, 1405413), (30, 936942), (36, 780785), (45, 624628), (60, 468471), (90, 312314), (180, 156157)]