145980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{811}}^1$

素因数の和:826

約数の個数: 36

約数和(自身を含む): 443352

約数和(自身を除く): 297372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 3244, 4055, 4866, 7299, 8110, 9732, 12165, 14598, 16220, 24330, 29196, 36495, 48660, 72990, 145980]

約数ペア:

[(1, 145980), (2, 72990), (3, 48660), (4, 36495), (5, 29196), (6, 24330), (9, 16220), (10, 14598), (12, 12165), (15, 9732), (18, 8110), (20, 7299), (30, 4866), (36, 4055), (45, 3244), (60, 2433), (90, 1622), (180, 811)]