690390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{2557}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 1841760

約数和(自身を除く): 1151370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 2557, 5114, 7671, 12785, 15342, 23013, 25570, 38355, 46026, 69039, 76710, 115065, 138078, 230130, 345195, 690390]

約数ペア:

[(1, 690390), (2, 345195), (3, 230130), (5, 138078), (6, 115065), (9, 76710), (10, 69039), (15, 46026), (18, 38355), (27, 25570), (30, 23013), (45, 15342), (54, 12785), (90, 7671), (135, 5114), (270, 2557)]