217351620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402503}}^1$

素因数の和:402521

約数の個数: 48

約数和(自身を含む): 676206720

約数和(自身を除く): 458855100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 402503, 805006, 1207509, 1610012, 2012515, 2415018, 3622527, 4025030, 4830036, 6037545, 7245054, 8050060, 10867581, 12075090, 14490108, 18112635, 21735162, 24150180, 36225270, 43470324, 54337905, 72450540, 108675810, 217351620]

約数ペア:

[(1, 217351620), (2, 108675810), (3, 72450540), (4, 54337905), (5, 43470324), (6, 36225270), (9, 24150180), (10, 21735162), (12, 18112635), (15, 14490108), (18, 12075090), (20, 10867581), (27, 8050060), (30, 7245054), (36, 6037545), (45, 4830036), (54, 4025030), (60, 3622527), (90, 2415018), (108, 2012515), (135, 1610012), (180, 1207509), (270, 805006), (540, 402503)]